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@zcohan zcohan released this 25 Sep 11:16
2.7.0
08bbbde

This version of SoulverCore has been built for Swift 6 with Xcode 16

New Functions

Data Transfer Functions

New function makes it easier to work out how long files will take to download or upload.

  • "time to 3GB at 10 MB/s" (= 300 s)
  • Or specify an explicit unit: "minutes to 35GB at 200MB/s" (= 2.92 min)

Speeding Up Time Functions

New function to speed up time by a multiplier:

  • "1 hour 30 minutes at 1.5x" (= 1 hour)

You can also calculate the time saved:

  • "time saved 1 hour 30 minutes at 1.5x" (= 30 minutes)

Financial Functions

Added a new function for working out how much money you need in the bank to ensure a certain amount of interest:

  • "deposit needed for $42k/year at 7.5%" (= $560k)
  • "savings required for $10k/month @ 5.6% (=$2.143M)

Added additional variants for compounding monthly and quarterly:

  • "interest on $100 after 3 years at 10% compounding monthly"
  • "interest on $100 for 3 years at 10% compounding quarterly"

Percentage functions

New functions to display the percentage change from one number by an amount

  • "3k on 50k" (= 6%)
  • "50 off 150" (= 33%)

Lunar day

  • Get the current lunar day: "lunar day" or "moon day"
  • Or the lunar day on a particular date: "lunar day on March 12, 2025"

Units

  • Added support for unit expressions with a fractional value, like "1 1/2 pounds"
  • Added cubic micrometer & square nanometer units
  • Improved behaviour of certain unit multiplications, where they would not return in the most relevant form: "3 min × 15 mph" now returns "0.75 mi" rather than 1,207 m

Currencies

  • Polygon symbol (formally MATIC) updated to POL
  • Added sub-domination ETH currencies: Wei and Gwei

Conversions

  • Support for automatic conversion of units without explicit value: "usd eur" will be interpreted as "1 usd in eur"
  • More flexible unit conversion for ostensibly incompatible units: "3 mph to minutes" (convert to miles/minute), "10 cubic centimeters to meters" (convert to cubic meters)
  • Support for conversion from & into imperial volume units explicitly, like "1 liter in imperial pints"

Other

General

  • Added power phrase functions like: "3 to the power of 9", "4 raised to 5"
  • Support for min/max functions with percentages
  • Combination and permutation functions now support numerically larger parameters
  • Added additional trigonometry functions that take their parameter in degrees: "asind", "acosd", "atand" and "tand"
  • Added (sample) standard deviation function: "standard deviation of 10, 20, 30 and 40"
    • You can also use "std dev of …" as a shorthand

Time zones

  • Support for "Korea" as an alias of "South Korea"

Bug fixes

  • Fixed a date parsing issue where a number like "1.003.020" was being misinterpreted as a date ("01.03.20")
  • Fixed a lexing issue with feet units that are written with a trailing apostrophe, like 30.334'
  • Fixed an issue with min/max list functions and negative currencies

API

Breaking changes

  • We're working towards only depending on API available in the modern Swift FoundationEssentials & FoundationInternationalization,
  • This version takes the first step in this direction by weaning off uses of NS prefixed classes (NSNumber, NSString, NSRegularExpression etc).
  • For our public API, this change only affects the range property on Token:
    • It is now typed to a similar Token.Range struct, rather NSRange.
    • You can still get an NSRange for a token if needed using token.range.nsRange
  • ECBCurrencyRateProvider now uses swift async/await for rate updates, rather than a closure.

Parsing options

  • Added a DateParsingOptions to EngineFeatureFlags that lets you specify the default time for dates without times (either midday or midnight)

Places

  • Cites, airports and countries now offer a 2-letter ISO country code property
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