EMDD.Kt.Extensions

Collection of Extension methods

Requirements

Use .net5.0.

Usage

Package Manager PM> Install-Package EMDD.Kt.Extensions -Version 1.0.0.1 .NET CLI dotnet add package EMDD.Kt.Extensions --version 1.0.0.1

Array2D

Collection of methods to deal with 2D array

Aggregate<T , TQ>(arr, initial, func)

Loop Through a 2d array

Name	Description
arr	2D array to work with
initial	initial Value to work with the aggregate method
func	function to work for each cycle

Type Parameters

T - base
TQ - target

Returns

an equivalent array of TQ[,]

All(array, func)

All - Extension for 2D array

Type Parameters

T -

Name	Description
array	2D array of T to work with
func	Predicate to check

System.NullReferenceException: Method Cannot be null

Returns

DeleteCol(arr, index)

Delete the column of an array

Name	Description
arr	2D Array to work with
index	index of column to delete

Type Parameters

T -

Returns

DeleteCol(arr, indices)

Delete multiple col of a 2d Array

Type Parameters

T -

Name	Description
arr	2D Array to work with
indices	array of column indices to delete

Returns

DeleteRow(arr, index)

Delete the row of 2 dimensional array

Name	Description
arr	2D Array to work with
index	index of the row to delete

Type Parameters

T -

Returns

DeleteRow(arr, indices)

Delete multiple row of a 2d Array

Type Parameters

T -

Name	Description
arr	2D Array to work with
indices	row indices to delete

Returns

ForEach(arr, action)

Loop Through a 2d array without any returns

Name	Description
arr	2D Array to work with
action	Action to run for each element

Type Parameters

T -

Returns

ForEachCol(mat, rowIndex, action)

Call a Foreach Col method on Matrix

Type Parameters

T -

Name	Description
arr	2D Array to work with
rowIndex	zero-based index of row to work with
action	System.Int32

ForEachCol<Tin,Tout>(mat, rowIndex, func)

ForEach Col with return type

Type Parameters

Tin -
Tout -

Name	Description
mat	2D Array to work with
rowIndex	zero-based index of row to work with
func	function to run each element

System.ArgumentNullException: func can't be null

Returns

ForEachRow(mat, colIndex, action)

Call a ForEach Row method on Matrix

Type Parameters

T -

Name	Description
mat	2D Array
colIndex	0:] zero-based index
action	System.Int32

ForEachRow<Tin,Tout>(mat, colIndex, func)

ForEach Row with return type

Type Parameters

Tin -
Tout -

Name	Description
mat	2D Array
colIndex	0:] zero-based
func	System.Int32

System.ArgumentNullException: func can't be null

Returns

GetBounds(mat, dimension)

Get RowBounds

Type Parameters

T -

Name	Description
mat	2D Array
dimension	0:]

Returns

HasAny(matrix)

Check if a 2D array has data

Type Parameters

T -

Name	Description
matrix	2D Array

Returns

IndexIsOutOfBound(matrix, index, dimension)

Check if an index is out of bound from an array 2D

Type Parameters

T -

Name	Description
matrix	2D Array
index	0:]
dimension	System.Int32

Returns

Select<T,TQ>(arr, func)

Loop Through a 2d array

Name	Description
arr	2D Array
func	0:]

Type Parameters

T -
TQ -

Returns

Select<T,TQ>(arr, func)

Loop Through a 2d array

Name	Description
arr	2D Array
func	0:]

Type Parameters

T -
TQ -

Returns

SelectCol(matrix, index)

Get the col

Type Parameters

T -

Name	Description
matrix	2D Array
index	0:]

Returns

SelectCol<Tresult,Tbase>(matrix, index, func)

Get col and apply some modifications

Type Parameters

Tresult -
Tbase -

Name	Description
matrix	[0:
index	0:]
func	System.Int32

Returns

SelectCols<TBase,TResult>(array, func)

Cast the column of the two dimensional array using a function, func

Type Parameters

TBase -
TResult -

Name	Description
array	2D Array
func	0:]

Returns

The result is an System.Collections.Generic.IEnumerable`1

SelectCols<TBase,TInnnerResult,TResult>(array, InnerFunc, func)

Cast the column of the two dimensional array using a function, func

Type Parameters

TBase -
TInnerResult -
TResult -

Name	Description
array	2D Array
InnerFunc	0:]
func	System.Func{``0,}

Returns

The result is an System.Collections.Generic.IEnumerable`1

SelectRow(matrix, index)

Get the row

Type Parameters

T -

Name	Description
matrix	2D Array
index	0:]

Returns

SelectRow``2(matrix, index, func)

Get row and apply some modifications

Type Parameters

Tresult -
Tbase -

Name	Description
matrix	[0:
index	0:]
func	System.Int32

Returns

SelectRows``2(array, func)

Cast the row of the two dimensional array using a function, func

Type Parameters

TBase -
TResult -

Name	Description
array	2D Array
func	0:]

Returns

The result is an System.Collections.Generic.IEnumerable`1

SelectRows``3(array, InnerFunc, func)

modify element in row, modify row and return as an ienumerable

Type Parameters

TBase -
TInnerResult -
TResult -

Name	Description
array	2D Array
InnerFunc	0:]
func	System.Func{``0,}

Returns

SequenceEqual(arr1, arr2)

Check if Two 2d array are equal

Name	Description
arr1	2D Array
arr2	0:]

Type Parameters

T -

Returns

Size(array)

Get the size of a two dimensional array, array, of type T

Type Parameters

T -

Name	Description
array	2D Array

Returns

System.ValueTuple of (System.Int32 row, System.Int32 col)

SwapCol(arr, index1, index2)

swap columns of a 2 dimensional matrix

Name	Description
arr	2D Array
index1	0:] index of column 1
index2	System.Int64 index of column 2

Type Parameters

T -

Returns

SwapColInternal(arr, index1, index2)

swap columns of a 2 dimensional matrix

Name	Description
arr	2D Array
index1	0:] index of column 1
index2	System.Int64 index of column 2

Type Parameters

T -

Returns

SwapRow(arr, index1, index2)

swap rows of a 2 dimensional matrix

Name	Description
arr	2D Array
index1	0:] index of row 1
index2	System.Int64 index of row 2

Type Parameters

T -

Returns

SwapRowInternal(arr, index1, index2)

swap rows of a 2 dimensional matrix

Name	Description
arr	2D Array
index1	0:] index of row 1
index2	System.Int64 index of row 2

Type Parameters

T -

Returns

TabbedToString(arr)

Convert the array in a tabulated string format

Type Parameters

T -

Name	Description
arr	2D Array

Returns

ToDictionary(matrix)

Convert Matrix to Dictionary

Type Parameters

T -

Name	Description
matrix	2D Array

Returns

first row is the ket and the rest are stored on an array

System.IndexOutOfRangeException: Error for less than 2D Array

ToDictionary``2(array1, array2)

ToDictionary with same return type

Type Parameters

T1 -
T2 -

Name	Description
array1	2D Array
array2	0:]

Returns

ToDictionary``2(array1, array2)

Tranform 2 Column Matrices into Dictionary

Type Parameters

T1 -
T2 -

Name	Description
array1	System.Object[0:
array2	0:]

Returns

ToDictionary``2(arrays)

Extension of type method of ToDictionary

Type Parameters

T1 -
T2 -

Name	Description
arrays	System.ValueTuple{``0[0:,0:],[0:,0:]}

Returns

ArrayExtensions

extending the static methods of Array abstract class

Add(arr, toAdd)

Add an item to the existing array but creates a new array.

Name	Description
arr	``0[]
toAdd	``0

Type Parameters

T -

Returns

Clone(arrayToClone)

Deep Clone a array

Name	Description
arrayToClone	``0[]

Type Parameters

T -

Returns

Find(array, match)

extending Find method in Array

Type Parameters

T -

Name	Description
array	``0[]
match	System.Predicate{``0}

Returns

RemoveAt(arr, index)

Array version of List.RemoveAt

Name	Description
arr	``0[]
index	System.Int32

Type Parameters

T -

Returns

System.NullReferenceException: throws exception if array is null

System.Exception: throws exception of array is of zero length

BigIntegerExtensions

Extensions for BigInteger

Factor(i)

Exhaust All Factor of a BigInteger

Name	Description
i	System.Numerics.BigInteger

Returns

PerfectSqr(A)

Determine if a number is perfect sqaure

Name	Description
A	System.Numerics.BigInteger

Root(base, n)

Get the root of a BigInteger

Name	Description
base	System.Numerics.BigInteger
n	System.Int32

System.ArgumentException: root cannot be less than zero

System.ArgumentException: negative value root base 2

Sqrt(number)

Get the Sqrt of BigInteger

Name	Description
number	System.Numerics.BigInteger

System.ArgumentException: number cannot be less than zero

CharExtensions

Extensions for Characters

CollectionEqComparerUnarranged`1

Comparer for Collection Unarranged

Type Parameters

T -

Equals(x, y)

Equality

Name	Description
x	System.Collections.Generic.IEnumerable{`0}
y	System.Collections.Generic.IEnumerable{`0}

Returns

GetHashCode(obj)

Hashcode

Name	Description
obj	System.Collections.Generic.IEnumerable{`0}

Returns

DateExtensions

Extensions for dates

EndOfWeek(dt, endOfWeek)

Get the end date of the week of a datetime

Name	Description
dt	System.DateTime
endOfWeek	System.DayOfWeek

Returns

IsBetweenDays(current, start, end, excludeBounds)

Check if a date is between two spans ( excluding the time)

Name	Description
current	System.DateTime
start	System.DateTime
end	System.DateTime
excludeBounds	System.Boolean

Returns

IsTimeSensitiveBetween(current, start, end, excludeBounds)

Check if a date is between two spans ( including thee relevant time)

Name	Description
current	System.DateTime
start	System.DateTime
end	System.DateTime
excludeBounds	System.Boolean

Returns

Months(date)

Return the total months of a datetime

Name	Description
date	System.DateTime

Returns

StartOfWeek(dt, startOfWeek)

Get the start date of the week a datetime

Name	Description
dt	System.DateTime
startOfWeek	System.DayOfWeek

Returns

Weeks(date)

Get Total Weeks of a datetime

Name	Description
date	System.DateTime

Returns

DiagnosticsExtensions

Extensions for Diagnostics

ElapsedTime(action)

Get Elapsed time for action

Name	Description
action	System.Action

Returns

DoubleComparer

Compare double data type

Equals(x, y)

Determines whether the specified objects are equal.

Returns

true if the specified objects are equal; otherwise, false.

Name	Description
x	System.Double The first object of type to compare.
y	System.Double The second object of type to compare.

GetHashCode(obj)

Returns a hash code for the specified object.

Returns

A hash code for the specified object.

Name	Description
obj	System.Double The System.Object for which a hash code is to be returned.

System.ArgumentNullException: The type of obj is a reference type and obj is null.

EnumerableExtensions

Extensions for Ienumerable

AggregatePartition``3(collection, getKey, getValue, func)

Partition collection and aggregate Results stored in a dictionary

Type Parameters

TBase -
TKey -
TValue -

Name	Description
collection	System.Collections.Generic.IEnumerable{``0}
getKey	System.Func{``0,}
getValue	System.Func{``0,``2}
func	System.Func{``2,``2,``2}

Returns

AggregatePartition``4(collection, getKey, comparer, getValue, func)

Partition collection and aggregate Results stored in a dictionary

Type Parameters

TBase -
TKey -
TComparer -
TValue -

Name	Description
collection	System.Collections.Generic.IEnumerable{``0}
getKey	System.Func{``0,}
comparer	``2
getValue	System.Func{``0,``3}
func	System.Func{``3,``3,``3}

Returns

AggregatePartition``4(collection, getKey, getValue, func, getOutput)

Partition collection and aggregate Results

Type Parameters

TBase -
TKey -
TValue -
TResult -

Name	Description
collection	System.Collections.Generic.IEnumerable{``0}
getKey	System.Func{``0,}
getValue	System.Func{``0,``2}
func	System.Func{``2,``2,``2}
getOutput	System.Func{,``2,``3}

Returns

AggregatePartition``5(collection, getKey, comparer, getValue, func, getOutput)

Partition collection and aggregate Results

Type Parameters

TBase -
TKey -
TComparer -
TValue -
TResult -

Name	Description
collection	System.Collections.Generic.IEnumerable{``0}
getKey	System.Func{``0,}
comparer	``2
getValue	System.Func{``0,``3}
func	System.Func{``3,``3,``3}
getOutput	System.Func{,``3,``4}

Returns

AggregateSelect``2(enumerable, seed, func)

Combined Aggregate and Select

Type Parameters

TBase -
TResult -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
seed
func	System.Func{,``0,}

Returns

AnyExcept(source, except, func)

Similar to Ienumerable.Any() but excludes checking a certain element

Type Parameters

T -

Name	Description
source	System.Collections.Generic.IEnumerable{``0}
except	``0 Excluded Element
func	System.Func{``0,System.Boolean}

Returns

Concat(enumerable, toConCat)

Extended Concat Method where the enumerable to be concatenated is params

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
toConCat	System.Collections.Generic.IEnumerable{``0}[]

Returns

ContentEquals(a, b)

Determine if two collections have the same content

Type Parameters

T -

Name	Description
a	System.Collections.Generic.IEnumerable{``0}
b	System.Collections.Generic.IEnumerable{``0}

Returns

Cross``3(col1, col2, func)

Select + Select Many/ Nested Linq from - operator for two collections

Type Parameters

T1 -
T2 -
TResult -

Name	Description
col1	System.Collections.Generic.IEnumerable{``0}
col2	System.Collections.Generic.IEnumerable{}
func	System.Func{``0,,``2}

Returns

FilterSuggestion(items, keyword, propertyName)

Use the whole word as suggestion

Name	Description
items	System.Collections.IEnumerable
keyword	System.String
propertyName	System.String

Returns

FilterSuggestions(items, keyword, propertyName)

Search filter ienumerable

Name	Description
items	System.Collections.IEnumerable
keyword	System.String
propertyName	System.String

Returns

FirstOfBoth``2(pair, func)

Get the first item on both enumerable that satifies the boolean function

Type Parameters

Tfirst -
Tsecond -

Name	Description
pair	System.ValueTuple{System.Collections.Generic.IEnumerable{``0}
func	System.Collections.Generic.IEnumerable{}}

Returns

Fork(source, pred)

Two way fork by using Ternary conditions

Type Parameters

T -

Name	Description
source	System.Collections.Generic.IEnumerable{``0}
pred	System.Func{``0,KtExtensions.EnumerableExtensions.Ternary}

Returns

Fork(source, pred)

Splits an ienumerable in two based on the boolean condition stated,

Reference:

Byers, M (2010,December 28) C#: Can I split an IEnumerable into two by a boolean criteria without two queries? [Online forum comment].Message to posted to https://stackoverflow.com/questions/4549339/can-i-split-an-ienumerable-into-two-by-a-boolean-criteria-without-two-queries

Type Parameters

T - Type

Name	Description
source	System.Collections.Generic.IEnumerable{``0} the Ienumerable to be split
pred	System.Func{``0,System.Boolean} boolean condition

Returns

value tuple 2 two groups

Has(enumerable, itemToFind)

Works like LInq Contains

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
itemToFind	``0

Returns

HeuristicallyDetermineType(myList)

Get the Underlaying type of items inside an Ilist

Name	Description
myList	System.Collections.IList

Returns

IsEmpty(enumerable)

Check if a collection contains any data

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}

Returns

MakeEnumerable(enumerable)

boxing of any enumerable to it's interface equivalence

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}

Returns

MinMax(enumerable, IsLesser, IsGreater)

Get the minimum and maximum value of enumerable based on IsLesser and IsGreater

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
IsLesser	System.Func{``0,``0,System.Boolean} Check if a value is lesser that another
IsGreater	System.Func{``0,``0,System.Boolean} Check if a value is greater that another

Returns

MinMax(enumerable, func)

Determine where the min and max value of T resulting to double, from an ienumerable enumerable

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
func	System.Func{``0,System.Double} function to convert the item T to a System.Double

Returns

MinMax(enumerable, func)

Determine where the min and max value of T resulting to double, from an ienumerable enumerable

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
func	System.Func{``0,System.Int32} function to convert the item T to a System.Int32

Returns

OfType``2(main)

Ienumerable.OfType but takes two type signature

Type Parameters

T1 -
T2 -

Name	Description
main	System.Collections.IEnumerable

Returns

OfType``3(main)

Ienumerable.OfType but takes three type signature

Type Parameters

T1 -
T2 -
T3 -

Name	Description
main	System.Collections.IEnumerable

Returns

OfType``4(main)

Ienumerable.OfType but takes four type signature

Type Parameters

T1 -
T2 -
T3 -
T4 -

Name	Description
main	System.Collections.IEnumerable

Returns

OfType``5(main)

Ienumerable.OfType but takes five type signature

Type Parameters

T1 -
T2 -
T3 -
T4 -
T5 -

Name	Description
main	System.Collections.IEnumerable

Returns

OfType``6(main)

Ienumerable.OfType but takes six type signature

Type Parameters

T1 -
T2 -
T3 -
T4 -
T5 -
T6 -

Name	Description
main	System.Collections.IEnumerable

Returns

OfType``7(main)

Ienumerable.OfType but takes 7 type signature

Type Parameters

T1 -
T2 -
T3 -
T4 -
T5 -
T6 -
T7 -

Name	Description
main	System.Collections.IEnumerable

Returns

OfType``8(main)

Ienumerable.OfType but takes 8 type signature

Type Parameters

T1 -
T2 -
T3 -
T4 -
T5 -
T6 -
T7 -
T8 -

Name	Description
main	System.Collections.IEnumerable

Returns

Partition``2(enumerable, func)

Partition

Type Parameters

T1 -
T2 -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{}
func	System.Func{,``0}

Returns

ReverseSelect``2(source, conversion, break, continue)

Reverse Select an Array

Type Parameters

TBase -
TResult -

Name	Description
source	``0[]
conversion	System.Func{``0,}
break	System.Func{``0,System.Boolean}
continue	System.Func{``0,System.Boolean}

Returns

ReverseSelect``2(source, conversion)

Reverse Select an Array

Type Parameters

TBase -
TResult -

Name	Description
source	``0[]
conversion	System.Func{``0,}

Returns

SelectPair(inum)

Return an ienumerable of a tuple paired for a successive items

Type Parameters

T -

Name	Description
inum	System.Collections.Generic.IEnumerable{``0}

Returns

SelectPair``2(inum, method)

IEnumerable Select But using successive pairs

Name	Description
inum	System.Collections.Generic.IEnumerable{``0}
method	System.Func{``0,``0,}

Type Parameters

T -
TD -

Returns

System.NullReferenceException: method cannot be null

SplitFirst(source, predicate)

Find First and split it from the main enumerable

Type Parameters

T -

Name	Description
source	System.Collections.Generic.IEnumerable{``0}
predicate	System.Func{``0,System.Boolean}

Returns

SplitTake(source, count)

Divide an ienumerable into two; first value's size is based on Count.

Type Parameters

T -

Name	Description
source	System.Collections.Generic.IEnumerable{``0}
count	System.Int32

Returns

Ternary

3 boolean type

False

false

Neutral

nuetral

True

true

KtExtensions.EnumerableExtensions.Venn(AA, BB)

Venn Group Elements of two enumerables based on venn diagram rep

Type Parameters

T -

Name	Description
AA	System.Collections.Generic.IEnumerable{``0}
BB	System.Collections.Generic.IEnumerable{``0}

Returns

KtExtensions.EnumerableExtensions.Venn(ienums, comparer)

Exclusion Inclusion of Elements of two collections

Type Parameters

T -

Name	Description
ienums	System.ValueTuple{System.Collections.Generic.IEnumerable{``0}
comparer	System.Collections.Generic.IEnumerable{``0}}

Returns

KtExtensions.EnumerableExtensions.WhereNot(enumerable, other)

Exclude other from the query

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
other	``0

Returns

KtExtensions.EnumerableExtensions.WhereNot(enumerable, others)

Exclude others from the query

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
others	System.Collections.Generic.IEnumerable{``0}

Returns

KtExtensions.EnumerableExtensions.WhereNot(enumerable, predicate)

same Linq -Where but the predicate is negated

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
predicate	System.Predicate{``0}

Returns

EqualityExtensions

Collection of methods for equality purposes

ChainHashCode(hash, other, multiplier)

Chain the hashcode of the new item to the previous

Type Parameters

T -

Name	Description
hash	System.Int32 initial hash
other	``0 other item
multiplier	System.Int32

Returns

ChainHashCode(hash, other)

Chain the hashcode of the new item to the previous

Type Parameters

T -

Name	Description
hash	System.Int32 initial hash
other	``0 other item

Returns

ChainHashCode(hash, other)

Chain the hashcode of the new item to the previous

Type Parameters

T -

Name	Description
hash	System.Int32 initial hash
other	``0[] other item

Returns

ChainHashCode(hash, other)

Chain the hashcode of the new item to the previous

Type Parameters

T -

Name	Description
hash	System.Int32 initial hash
other	System.Collections.Generic.IEnumerable{``0} other item

Returns

DefaultEquals(a, b)

Shortened System.Collections.Generic.EqualityComparer`1.Default.Equals

Type Parameters

T -

Name	Description
a	``0
b	``0

Returns

EqualsObject(a, obj, final)

Test if an element of type T is equal to an object

Type Parameters

T -

Name	Description
a	``0
obj	System.Object
final	System.Func{``0,System.Boolean}

Returns

GetHashCodeOfArray(array)

Determine the hashcode of an array using EqualityExtensions.ChainHashCode(System.Int32,``0) method

Type Parameters

T -

Name	Description
array	``0[]

Returns

GetHashCodeOfEnumerable(array)

Determine the hashcode of an enumerable using EqualityExtensions.ChainHashCode(System.Int32,``0) method

Type Parameters

T -

Name	Description
array	System.Collections.Generic.IEnumerable{``0}

Returns

TestNullBeforeEquals(a, b, final)

Test for null before doing the final equality check of final

Type Parameters

T -

Name	Description
a	``0
b	``0
final	System.Boolean

Returns

TestNullBeforeEquals(a, b, final)

Test for null before doing the final equality check of final

Type Parameters

T -

Name	Description
a	``0
b	``0
final	System.Func{``0,System.Boolean}

Returns

TestNullBeforeEquals(a, b, final)

Test for null before doing the final equality check of final

Type Parameters

T -

Name	Description
a	``0
b	``0
final	System.Func{System.Boolean}

Returns

FilePathExtensions

Extensions for System.IO.File and System.IO.Path

CanReadFile(filePath)

Check if a file can be opened

Name	Description
filePath	System.String

CopyToUniqueName(source, filePathDestination)

extension of File.Copy where destination name will be made unique using FilePathExtensions.GetUniqueFilePath(System.String)

Name	Description
source	System.String
filePathDestination	System.String

Returns

GetUniqueFilePath(filepath)

Make file path unique

Name	Description
filepath	System.String

Returns

GenericExtensions

Extensions for generic types

IsNull(value)

Check if a generic value of type T is null Reference: McGivern, D. (2011,Febuary 10) C#: Alternative to GenericType == null [Online forum comment].Message to posted to https://stackoverflow.com/questions/565564/c-alternative-to-generictype-null modification was done by using IsNullable() Method

Type Parameters

T -

Name	Description
value	``0

Returns

MakeArrayFor(val, times)

Create an Array using the value with "times" size

Name	Description
val	``0
times	System.Int32 size of the array

Type Parameters

T -

Returns

MakeListFor(val, times)

Create a List using the value with "times" size

Name	Description
val	``0
times	System.Int32 size of the list

Type Parameters

T -

Returns

ListExtensions

List Extensions

Clone(listToClone)

Deep Clone a List

Name	Description
listToClone	System.Collections.Generic.List{``0}

Type Parameters

T -

Returns

FirstPair(listToLoop, test)

Determine the first pair in list that passed the test

Name	Description
listToLoop	System.Collections.Generic.List{``0}
test	System.Func{``0,``0,System.Boolean}

Type Parameters

T -

Returns

if fails it returns null

FoundAt(list, item, comparer)

Find the Element and return its index

Type Parameters

T -

Name	Description
list	System.Collections.Generic.List{``0}
item	``0
comparer	System.Collections.Generic.IEqualityComparer{``0}

Returns

FoundAt(list, item)

Find the Element and return its index using the Default Equality Comparer

Type Parameters

T -

Name	Description
list	System.Collections.Generic.List{``0}
item	``0

Returns

IndexedForEach(list, action)

Run for loop using action which takes in System.Int32 index and the item of T

Type Parameters

T -

Name	Description
list	System.Collections.Generic.List{``0}
action	System.Action{``0,System.Int32} is null, the method will not run

LoopTwoEach(null, listToLoop, action)

Loop through a List using the two consecutive elements

Name	Description
	System.Collections.Generic.List{``0}
listToLoop	System.Action{``0,``0} The list for looping, count must be beyond 2
action	Unknown type

Type Parameters

T -

Swap(list, index1, index2)

swap elements of a List

Name	Description
list	System.Collections.Generic.List{``0}
index1	System.Int32 index of row 1
index2	System.Int32 index of row 2

Type Parameters

T -

Returns

MethodShortcuts

Improved Action methods

BoolAction(condition, ifTrue, ifFalse)

Runs based on a the condition of condition, runs ifTrue if condition is true and runs ifFalse if condition is false

Name	Description
condition	System.Boolean
ifTrue	System.Action
ifFalse	System.Action

Recursion(func)

Inception type of function. create a value null, assign a value

Type Parameters

T -

Name	Description
func	System.Func{System.Func{``0},``0}

Returns

SeedProcess``2(seed, result)

Chainable initial values to func

Type Parameters

Tseed -
Tresult -

Name	Description
seed	System.Func{``0}
result	System.Func{``0,}

Returns

SeedProcess``3(seed1, seed2, result)

Chainable initial values to func

Type Parameters

Tseed1 -
Tseed2 -
Tresult -

Name	Description
seed1	System.Func{``0}
seed2	System.Func{}
result	System.Func{``0,,``2}

Returns

SeedProcess``3(seed, result)

Chainable initial values to func

Type Parameters

Tseed1 -
Tseed2 -
Tresult -

Name	Description
seed	System.Func{System.ValueTuple{``0,}}
result	System.Func{``0,,``2}

Returns

SeedProcess``4(seed1, seed2, seed3, result)

Chainable initial values to func

Type Parameters

Tseed1 -
Tseed2 -
Tseed3 -
Tresult -

Name	Description
seed1	System.Func{``0}
seed2	System.Func{}
seed3	System.Func{``2}
result	System.Func{``0,,``2,``3}

Returns

SeedProcess``4(seed, result)

Chainable initial values to func: Tuple of 3

Type Parameters

Tseed1 -
Tseed2 -
Tseed3 -
Tresult -

Name	Description
seed	System.Func{System.ValueTuple{``0,,``2}}
result	System.Func{``0,,``2,``3}

Returns

SeedProcess``5(seed1, seed2, seed3, seed4, result)

Chainable initial values to func

Type Parameters

Tseed1 -
Tseed2 -
Tseed3 -
Tseed4 -
Tresult -

Name	Description
seed1	System.Func{``0}
seed2	System.Func{}
seed3	System.Func{``2}
seed4	System.Func{``3}
result	System.Func{``0,,``2,``3,``4}

Returns

SeedProcess``5(seed, result)

Chainable initial values to func: Tuple of 4

Type Parameters

Tseed1 -
Tseed2 -
Tseed3 -
Tseed4 -
Tresult -

Name	Description
seed	System.Func{System.ValueTuple{``0,,``2,``3}}
result	System.Func{``0,,``2,``3,``4}

Returns

SeedProcess``5(seed1, seed2, result)

Chainable initial values to func

Type Parameters

Tseed1 -
Tseed2 -
Tseed3 -
Tseed4 -
Tresult -

Name	Description
seed1	System.Func{System.ValueTuple{``0,}}
seed2	System.Func{System.ValueTuple{``2,``3}}
result	System.Func{``0,,``2,``3,``4}

Returns

SeedProcess``6(seed1, seed2, seed3, seed4, seed5, result)

Chainable initial values to func: 5 seed elements

Type Parameters

Tseed1 -
Tseed2 -
Tseed3 -
Tseed4 -
Tseed5 -
Tresult -

Name	Description
seed1	System.Func{``0}
seed2	System.Func{}
seed3	System.Func{``2}
seed4	System.Func{``3}
seed5	System.Func{``4}
result	System.Func{``0,,``2,``3,``4,``5}

Returns

SeedProcess``6(seed, result)

Chainable initial values to func: Tuple of 5

Type Parameters

Tseed1 -
Tseed2 -
Tseed3 -
Tseed4 -
Tseed5 -
Tresult -

Name	Description
seed	System.Func{System.ValueTuple{``0,,``2,``3,``4}}
result	System.Func{``0,,``2,``3,``4,``5}

Returns

NumberDisplayExtensions

Extensions for converting numeric values to proper string format

ToExp(val)

Convert a number into string exponential form string

Name	Description
val	System.Double

Returns

NumericExtensions

Numeric Extensions

Atan3(y, x)

Return the angle in degrees

Name	Description
y	System.Double numerator of the tangent function
x	System.Double denominator of the tangent function

Returns

Base10Of1stSignificantFigure(val)

get the decimal place of first significant figure

Name	Description
val	System.Double

Returns

CompareTo(values)

(v1,v2) => v1.CompareTo(v2)

Name	Description
values	System.ValueTuple{System.Double,System.Double}

Returns

CycleWithin(val1, val2, val3)

Used for looping through circular sequence

Name	Description
val1	System.Double The Number that loops
val2	System.Double The Begining of the loop
val3	System.Double The end of the loop

Returns

Looped equivalent of val1

CycleWithin(val1, val2, val3)

Used for looping through circular sequence

Name	Description
val1	System.Int32 The Number that loops
val2	System.Int32 The Begining of the loop
val3	System.Int32 The end of the loop

Returns

Looped equivalent of val1

Exp(val1, val2)

multiply a number with 10 raised to ____

Name	Description
val1	System.Double
val2	System.Double Power of th multiplyier number "10"

Returns

Exp(val1, val2)

multiply a number with 10 raised to ____

Name	Description
val1	System.Double
val2	System.Int32 Power of th multiplyier number "10"

Returns

GetPotentialNumber(val)

Check if a string can potentially be converted into number

Name	Description
val	System.String

Returns

HasDecimal(val)

Return if a double value has floating values

Name	Description
val	System.Double

Returns

HasDecimal(val)

Check if string is a number and has float values.

Name	Description
val	System.String string to check

Returns

IntToArray(val)

Convert an integer to an array of single digits

Name	Description
val	System.Int64

Returns

InvalidNumber(val)

check if a number is infinity or NaN

Name	Description
val	System.Double the value to be tested

Returns

Boolean value

IsBetween(val1, val2, val3)

Test if a number is inside but should not be on the limits

Name	Description
val1	System.Double
val2	System.Double Limit 1
val3	System.Double Limit 2

Returns

IsBetween(val1, val2, val3)

Test if a number is inside but should not be on the limits

Name	Description
val1	System.Int32
val2	System.Int32 Limit 1
val3	System.Int32 Limit 2

Returns

IsBetween(val1, val2, val3)

Test if a number is inside but should not be on the limits

Name	Description
val1	System.Int64
val2	System.Int64 Limit 1
val3	System.Int64 Limit 2

Returns

IsEven(value)

Determine if an integer is Even

Name	Description
value	System.Int32

Returns

IsNumeric(val)

Determine if a string can be converted into a number, Similar VB.net IsNumeric Function

Name	Description
val	System.String The string to be tested

Returns

Boolean Value

IsWithin(val1, val2, val3)

Test if a number is inside or exactly on the limits

Name	Description
val1	System.Double
val2	System.Double Limit 1
val3	System.Double Limit 2

Returns

IsWithin(val1, limits)

Test if a number is inside or exactly on the limits

Name	Description
val1	System.Double
limits	System.ValueTuple{System.Double,System.Double}

Returns

IsWithin(val1, val2, val3)

Test if a number is inside or exactly on the limits

Name	Description
val1	System.Int32
val2	System.Int32 Limit 1
val3	System.Int32 Limit 2

Returns

IsWithin(val1, limits)

Test if a number is inside or exactly on the limits

Name	Description
val1	System.Int32
limits	System.ValueTuple{System.Int32,System.Int32}

Returns

LimitWithin(val1, val2, val3)

Make a value stay within the limits (Including the limits themselves)

Name	Description
val1	System.Double
val2	System.Double Limit 1
val3	System.Double Limit

Returns

LimitWithin(val1, val2, val3)

Make a value stay within the limits (Including the limits themselves)

Name	Description
val1	System.Int32
val2	System.Int32 Limit 1
val3	System.Int32 Limit

Returns

LimitWithin(val1, val2, val3)

Make a value stay within the limits (Including the limits themselves)

Name	Description
val1	System.Int64
val2	System.Int64 Limit 1
val3	System.Int64 Limit

Returns

MinMax(val1, val2)

determine the min or max of two doubles

Name	Description
val1	System.Double
val2	System.Double

Returns

MinMax(val1, val2)

determine the min or max of two integers

Name	Description
val1	System.Int32
val2	System.Int32

Returns

NearEqual(val1, val2, accuracy)

Check if a number is Approximately Equal to the other

Name	Description
val1	System.Double
val2	System.Double
accuracy	System.Int32

Returns

NearZero(val, accuracy)

Determine if a double number is almost equal to zero

Name	Description
val	System.Double
accuracy	System.Int32 accuracy to the n'th degree

Returns

NoFloat(val, precision)

Check if a double value is an integer

Name	Description
val	System.Double
precision	System.Int32

Returns

NumberSign

Numeric Enumeration

Negative

Less that 0

Neutral

Exactly Zero

Positive

Greater than 0

KtExtensions.NumericExtensions.RaiseTo(val1, val2)

Acts like an exponent/power

Name	Description
val1	System.Double
val2	System.Double exponent

Returns

KtExtensions.NumericExtensions.RaiseTo(val1, val2)

Acts like an exponent/power

Name	Description
val1	System.Double
val2	System.Int32 exponent

Returns

KtExtensions.NumericExtensions.RaiseTo(val1, val2)

Acts like an exponent/power

Name	Description
val1	System.Int32
val2	System.Double exponent

Returns

KtExtensions.NumericExtensions.RaiseTo(val1, val2)

Acts like an exponent/power

Name	Description
val1	System.Int32
val2	System.Int32 exponent

Returns

KtExtensions.NumericExtensions.Roundby(val1, val2)

Round for every interval

Name	Description
val1	System.Double
val2	System.Double interval

Returns

KtExtensions.NumericExtensions.Roundby(val1, val2)

Round for every interval

Name	Description
val1	System.Double
val2	System.Int32 interval

Returns

KtExtensions.NumericExtensions.RoundDownby(val1, val2)

Round down for every interval

Name	Description
val1	System.Double
val2	System.Double interval

Returns

KtExtensions.NumericExtensions.RoundDownby(val1, val2)

Round down for every interval

Name	Description
val1	System.Double
val2	System.Int32 interval

Returns

KtExtensions.NumericExtensions.RoundUpby(val1, val2)

Roundup for every interval

Name	Description
val1	System.Double
val2	System.Double interval

Returns

KtExtensions.NumericExtensions.RoundUpby(val1, val2)

Roundup for every interval

Name	Description
val1	System.Double
val2	System.Int32 interval

Returns

KtExtensions.NumericExtensions.ScientificNotation(val)

Return the scientific notation

Name	Description
val	System.Double todo: describe val parameter on ScientificNotation

Returns

return a tuple of significant figure in 1's and the base 10 exponent

KtExtensions.NumericExtensions.Sign(num, accuracy)

Determine the sign of a number

Name	Description
num	System.Double
accuracy	System.Int32

Returns

KtExtensions.NumericExtensions.Sign(num)

Determine the sign of a number

Name	Description
num	System.Int32

Returns

KtExtensions.NumericExtensions.SmartRoundActual(val, digits)

Round the value based on the repeated 999's and 000's

Name	Description
val	System.Double
digits	System.Int64[]

Returns

KtExtensions.NumericExtensions.SmartRoundSignificantValue(val, digits)

Round The number by finding the first repeated digits from the number;

Name	Description
val	System.Double
digits	System.Int64[] digits that are repeated

Returns

KtExtensions.NumericExtensions.SmartToString(val)

Desirable tostring of a double data type

Name	Description
val	System.Double

Returns

KtExtensions.NumericExtensions.Store15DecimalsToArray(val)

Make 15 decimals to array

Name	Description
val	System.Double

Returns

KtExtensions.NumericExtensions.ToDouble(val)

Convert a string to a number, if the string is not numeric then the return value will be zero

Name	Description
val	System.String

Returns

Partition`2

Grouping of Ienumerable

Type Parameters

TKey -
TValue -

Constructor

base Constructor

Constructor(info, context)

Constructor

Name	Description
info	System.Runtime.Serialization.SerializationInfo
context	System.Runtime.Serialization.StreamingContext

Add(key, value)

Add Individual Element

Name	Description
key	`0
value	`1

Add(key, value)

Add a partition

Name	Description
key	`0
value	System.Collections.Generic.List{`1}

Item(`0)

Create Partition

Name	Description
key	`0

Returns

Remove(key)

Remove a partition

Name	Description
key	`0

ReflectionExtensions

Reflection extensions

GetCascadedPropertyValue(o, name)

Get the property value cascaded to its subproperties

Name	Description
o	System.Object
name	System.String

GetCascadedPropertyValue(o, pNames)

Get the property value cascaded to its subproperties

Name	Description
o	System.Object
pNames	System.String[]

Returns

GetPropertyValue(o, pName)

The the value of the runtime property of name pName

Name	Description
o	System.Object
pName	System.String

Returns

System.ArgumentNullException:

GetPropertyValue(obj, propertyName)

Get the value of Property and cast it to it's proper type

Type Parameters

T -

Name	Description
obj	System.Object
propertyName	System.String

Returns

GetPropertyValues(obj)

Search all property names, get their values, and store them into a dictionary of string/object generic type

Name	Description
obj	System.Object

Returns

GetPropertyValues(objs)

Search all property names, get their values, and store them into a dictionary of string/object generic type

Name	Description
objs	System.Collections.Generic.IEnumerable{``0}

Returns

PropertyValueString(o, pName)

Get value of object

Name	Description
o	System.Object
pName	System.String

Returns

StringManipulation

String extensions

AppendNewLine(sb)

Append new line to the string builder

Name	Description
sb	System.Text.StringBuilder

Returns

AppendThenNewLine(sb, str)

Append A string then add new line

Name	Description
sb	System.Text.StringBuilder
str	System.String

Returns

AppendWhen(sb, str, predicate)

Append A string then when

Name	Description
sb	System.Text.StringBuilder
str	System.String
predicate	System.Func{System.Boolean}

Returns

BuildString(enumerable, separator, enclosure)

Concatenate all the element System.Object.ToString value of an enumerable

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
separator	System.String String separating each string
enclosure	System.ValueTuple{System.String,System.String} strings enclosing the element string

Returns

BuildString(enumerable, separator)

Concatenate all the element System.Object.ToString value of an enumerable

Type Parameters

T -

Name	Description
enumerable	System.Collections.Generic.IEnumerable{``0}
separator	System.String String separating each string

Returns

FirstCharacterToLower(str)

Make First Letter of a string into lower character

Name	Description
str	System.String

Returns

FirstCharacterToUpper(str)

Make First Letter of a string into upper character

Name	Description
str	System.String

Returns

GuardClausedEquals(str1, str2, stringComparison)

Guard Claused Equals w/ string comparison

Name	Description
str1	System.String
str2	System.String
stringComparison	System.StringComparison

Returns

GuardClausedEquals(str1, str2)

Guard Claused Equals

Name	Description
str1	System.String
str2	System.String

Returns

Has(this, possibles)

Determine if a character is inside a list of characters

Name	Description
this	System.String
possibles	System.Char[]

Returns

Has(this, possibles)

Determine if a character is inside a list of strings

Name	Description
this	System.String
possibles	System.String[]

Returns

IsNullOrEmpty(str)

Similar to System.String.IsNullOrEmpty(System.String)

Name	Description
str	System.String

Returns

MakeUniqueFrom(str, strs, maxLength)

Check if string is a duplicate and create new numbered string

Name	Description
str	System.String
strs	System.Collections.Generic.IEnumerable{System.String}
maxLength	System.Int32

Returns

MakeUniqueFrom(str, strs)

Check if string is a duplicate and create new numbered string

Name	Description
str	System.String
strs	System.Collections.Generic.IEnumerable{System.String}

Returns

RemoveLastChar(str)

Remove the last letter of the string

Name	Description
str	System.String

Returns

RemoveVowels(str)

Remove Vowels from strings

Name	Description
str	System.String

Returns

RepeatString(str, count)

Concatenate a repeat string at a number of times

Name	Description
str	System.String the string to be repeated
count	System.Int32 number of times to repeat

Returns

SmartAppend(str, strToAppend)

Be able identify if it is good to append a text to the main text

if str is null or empty then an empty text is returned

Name	Description
str	System.String
strToAppend	System.String

SmartConcat(str1, str2, filler)

Concat Two strings with a filler

Name	Description
str1	System.String
str2	System.String
filler	System.String

Returns

SmartConcat(str, toConcat, filler)

Concat strings with filler

Name	Description
str	System.String
toConcat	System.String[]
filler	System.String

Returns

SmartPrepend(str, strToPrepend)

Be able identify if it is good to prepend a text to the main text

if str is null or empty then an empty text is returned

Name	Description
str	System.String
strToPrepend	System.String

SplitTextAndNumber(text)

Separate String and Number, example "text (1)" the text and the number will be extracted

Name	Description
text	System.String

Returns

text and a number, "text (1)" return "text " and "1"

ToWords(number)

Convert integers to words

Name	Description
number	System.Int32

Returns

TypesExtensions

Extensions for type

GetTypeHierarchy(type)

Get all type derivation Reference: KallDrexx (2011, June 21). How can I use reflection to return all classes subclassing from a generic, without giving a specific generic type [Online forum comment]. Message posted to https://stackoverflow.com/questions/6426949/how-can-i-use-reflection-to-return-all-classes-subclassing-from-a-generic-witho/6427201#6427201

Name	Description
type	System.Type

Returns

IsDerivedFromOpenGenericType(type, openGenericType)

Determine if a type is derived from open generic type Reference: KallDrexx (2011, June 21). How can I use reflection to return all classes subclassing from a generic, without giving a specific generic type [Online forum comment]. Message posted to https://stackoverflow.com/questions/6426949/how-can-i-use-reflection-to-return-all-classes-subclassing-from-a-generic-witho/6427201#6427201

Name	Description
type	System.Type
openGenericType	System.Type

Returns

System.ArgumentNullException:

System.ArgumentException:

IsNullable(type)

Determine if a generic param is a Nullable type Reference: Traub, D. (2011, March 3). Determine if a generic param is a Nullable type [Online forum comment]. Message posted to https://stackoverflow.com/questions/5181494/determine-if-a-generic-param-is-a-nullable-type

Name	Description
type	System.Type

Name		Name	Last commit message	Last commit date
Latest commit History 12 Commits
docs		docs
src		src
test/unit		test/unit
.gitignore		.gitignore
EMDD.Kt.Extensions.sln		EMDD.Kt.Extensions.sln
LICENSE		LICENSE
README.md		README.md

License

marlond18/EMDD.Kt.Extensions

Folders and files

Latest commit

History

Repository files navigation

EMDD.Kt.Extensions

Requirements

Usage

Array2D

Aggregate<T , TQ>(arr, initial, func)

Type Parameters

Returns

All(array, func)

Type Parameters

Returns

DeleteCol(arr, index)

Type Parameters

Returns

DeleteCol(arr, indices)

Type Parameters

Returns

DeleteRow(arr, index)

Type Parameters

Returns

DeleteRow(arr, indices)

Type Parameters

Returns

ForEach(arr, action)

Type Parameters

Returns

ForEachCol(mat, rowIndex, action)

Type Parameters

ForEachCol<Tin,Tout>(mat, rowIndex, func)

Type Parameters

Returns

ForEachRow(mat, colIndex, action)

Type Parameters

ForEachRow<Tin,Tout>(mat, colIndex, func)

Type Parameters

Returns

GetBounds(mat, dimension)

Type Parameters

Returns

HasAny(matrix)

Type Parameters

Returns

IndexIsOutOfBound(matrix, index, dimension)

Type Parameters

Returns

Select<T,TQ>(arr, func)

Type Parameters

Returns

Select<T,TQ>(arr, func)

Type Parameters

Returns

SelectCol(matrix, index)

Type Parameters

Returns

SelectCol<Tresult,Tbase>(matrix, index, func)

Type Parameters

Returns

SelectCols<TBase,TResult>(array, func)

Type Parameters

Returns

SelectCols<TBase,TInnnerResult,TResult>(array, InnerFunc, func)

Type Parameters

Returns

SelectRow(matrix, index)

Type Parameters

Returns

SelectRow``2(matrix, index, func)

Type Parameters

Returns

SelectRows``2(array, func)

Type Parameters

Returns

SelectRows``3(array, InnerFunc, func)

Type Parameters

Returns