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12 changes: 6 additions & 6 deletions
12
NetFabric.DoublyLinkedList.Tests/NetFabric.DoublyLinkedList.Tests.csproj
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115 changes: 115 additions & 0 deletions
115
NetFabric.DoublyLinkedList/DoublyLinkedList'1.WhereForwardEnumeration.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| using NetFabric.Hyperlinq; | ||
| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics.CodeAnalysis; | ||
| using System.Diagnostics.Contracts; | ||
| using System.Runtime.CompilerServices; | ||
|
|
||
| namespace NetFabric | ||
| { | ||
| public partial class DoublyLinkedList<T> | ||
| { | ||
| public readonly struct WhereForwardEnumeration | ||
| : IValueEnumerable<T, WhereForwardEnumeration.DisposableEnumerator> | ||
| { | ||
| readonly DoublyLinkedList<T> list; | ||
| readonly Func<T, bool> predicate; | ||
|
|
||
| internal WhereForwardEnumeration(DoublyLinkedList<T> list, Func<T, bool> predicate) | ||
| { | ||
| this.list = list; | ||
| this.predicate = predicate; | ||
| } | ||
|
|
||
| [Pure] | ||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public Enumerator GetEnumerator() => | ||
| new(list, predicate); | ||
|
|
||
| DisposableEnumerator IValueEnumerable<T, WhereForwardEnumeration.DisposableEnumerator>.GetEnumerator() => | ||
| new(list, predicate); | ||
|
|
||
| IEnumerator<T> IEnumerable<T>.GetEnumerator() => | ||
| new DisposableEnumerator(list, predicate); | ||
|
|
||
| IEnumerator IEnumerable.GetEnumerator() => | ||
| new DisposableEnumerator(list, predicate); | ||
|
|
||
| public struct Enumerator | ||
| { | ||
| readonly DoublyLinkedList<T> list; | ||
| readonly Func<T, bool> predicate; | ||
| readonly int version; | ||
| Node? current; | ||
|
|
||
| internal Enumerator(DoublyLinkedList<T> list, Func<T, bool> predicate) | ||
| { | ||
| this.list = list; | ||
| this.predicate = predicate; | ||
| version = list.version; | ||
| current = null; | ||
| } | ||
|
|
||
| public readonly T Current | ||
| => current!.Value; | ||
|
|
||
| public bool MoveNext() | ||
| { | ||
| if (version != list.version) | ||
| Throw.InvalidOperationException(); | ||
| do | ||
| { | ||
| current = current is null | ||
| ? list.First | ||
| : current.Next; | ||
| } | ||
| while (current is not null && !predicate(current.Value)); | ||
| return current is not null; | ||
| } | ||
| } | ||
|
|
||
| public struct DisposableEnumerator | ||
| : IEnumerator<T> | ||
| { | ||
| readonly DoublyLinkedList<T> list; | ||
| readonly Func<T, bool> predicate; | ||
| readonly int version; | ||
| Node? current; | ||
|
|
||
| internal DisposableEnumerator(DoublyLinkedList<T> list, Func<T, bool> predicate) | ||
| { | ||
| this.list = list; | ||
| this.predicate = predicate; | ||
| version = list.version; | ||
| current = null; | ||
| } | ||
|
|
||
| public readonly T Current | ||
| => current!.Value; | ||
| readonly object? IEnumerator.Current | ||
| => current!.Value; | ||
|
|
||
| public bool MoveNext() | ||
| { | ||
| if (version != list.version) | ||
| Throw.InvalidOperationException(); | ||
| do | ||
| { | ||
| current = current is null | ||
| ? list.First | ||
| : current.Next; | ||
| } | ||
| while (current is not null && !predicate(current.Value)); | ||
| return current is not null; | ||
| } | ||
|
|
||
| public void Reset() | ||
| => current = null; | ||
|
|
||
| public readonly void Dispose() | ||
| { } | ||
| } | ||
| } | ||
| } | ||
| } |
115 changes: 115 additions & 0 deletions
115
NetFabric.DoublyLinkedList/DoublyLinkedList'1.WhereReverseEnumeration.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| using NetFabric.Hyperlinq; | ||
| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics.CodeAnalysis; | ||
| using System.Diagnostics.Contracts; | ||
| using System.Runtime.CompilerServices; | ||
|
|
||
| namespace NetFabric | ||
| { | ||
| public partial class DoublyLinkedList<T> | ||
| { | ||
| public readonly struct WhereReverseEnumeration | ||
| : IValueEnumerable<T, WhereReverseEnumeration.DisposableEnumerator> | ||
| { | ||
| readonly DoublyLinkedList<T> list; | ||
| readonly Func<T, bool> predicate; | ||
|
|
||
| internal WhereReverseEnumeration(DoublyLinkedList<T> list, Func<T, bool> predicate) | ||
| { | ||
| this.list = list; | ||
| this.predicate = predicate; | ||
| } | ||
|
|
||
| [Pure] | ||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public Enumerator GetEnumerator() => | ||
| new(list, predicate); | ||
|
|
||
| DisposableEnumerator IValueEnumerable<T, WhereReverseEnumeration.DisposableEnumerator>.GetEnumerator() => | ||
| new(list, predicate); | ||
|
|
||
| IEnumerator<T> IEnumerable<T>.GetEnumerator() => | ||
| new DisposableEnumerator(list, predicate); | ||
|
|
||
| IEnumerator IEnumerable.GetEnumerator() => | ||
| new DisposableEnumerator(list, predicate); | ||
|
|
||
| public struct Enumerator | ||
| { | ||
| readonly DoublyLinkedList<T> list; | ||
| readonly Func<T, bool> predicate; | ||
| readonly int version; | ||
| Node? current; | ||
|
|
||
| internal Enumerator(DoublyLinkedList<T> list, Func<T, bool> predicate) | ||
| { | ||
| this.list = list; | ||
| this.predicate = predicate; | ||
| version = list.version; | ||
| current = null; | ||
| } | ||
|
|
||
| public readonly T Current | ||
| => current!.Value; | ||
|
|
||
| public bool MoveNext() | ||
| { | ||
| if (version != list.version) | ||
| Throw.InvalidOperationException(); | ||
| do | ||
| { | ||
| current = current is null | ||
| ? list.Last | ||
| : current.Previous; | ||
| } | ||
| while (current is not null && !predicate(current.Value)); | ||
| return current is not null; | ||
| } | ||
| } | ||
|
|
||
| public struct DisposableEnumerator | ||
| : IEnumerator<T> | ||
| { | ||
| readonly DoublyLinkedList<T> list; | ||
| readonly Func<T, bool> predicate; | ||
| readonly int version; | ||
| Node? current; | ||
|
|
||
| internal DisposableEnumerator(DoublyLinkedList<T> list, Func<T, bool> predicate) | ||
| { | ||
| this.list = list; | ||
| this.predicate = predicate; | ||
| version = list.version; | ||
| current = null; | ||
| } | ||
|
|
||
| public readonly T Current | ||
| => current!.Value; | ||
| readonly object? IEnumerator.Current | ||
| => current!.Value; | ||
|
|
||
| public bool MoveNext() | ||
| { | ||
| if (version != list.version) | ||
| Throw.InvalidOperationException(); | ||
| do | ||
| { | ||
| current = current is null | ||
| ? list.Last | ||
| : current.Previous; | ||
| } | ||
| while (current is not null && !predicate(current.Value)); | ||
| return current is not null; | ||
| } | ||
|
|
||
| public void Reset() | ||
| => current = null; | ||
|
|
||
| public readonly void Dispose() | ||
| { } | ||
| } | ||
| } | ||
| } | ||
| } |
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