Changelog #

4.2.0 #

Improved Iterable.index to more common argument names, and support step.
Add also scope operator, which significantly improves the possibility to write one-liners.
Numerous improvements to the Graph library:
- Various performance critical fixes, better use of priority queues.
- Easy export to GraphViz with Graph.toDot().
- Add support for filtered vertex views with Graph.where({Predicate<V> vertexPrediate}).
- Add support to copy graphs with Graph.copy({bool empty}).
- Improve toString of Graph, Edge and Path classes.
- Add the Stoer-Wagner min-cut algorithm.
Numerous smaller improvements:
- Add support for patterns in String.removeSuffix; and add String.partition and String.lastPartition.
- Add support to compute Iterable.minMax in one pass, and Iterable.gcd and Iterable.lcm.
Removed Heap: PriorityQueue from the Dart standard library provides the same functionality.
Made the SortedList implement PriorityQueue.

4.1.0 #

Add a port of Python's difflib.
CharMatcher now works on all unicode code-points, correctly and efficiently matching unicode characters beyond UTF-16 bytes:
- Add support for all Unicode General Categories and Unicode Properties.
- Add support for Character Class Subtraction to CharMatcher.pattern.
- For consistency CharMatcher.whitespace() is only matching ASCII whitespaces, to get the Unicode variant use UnicodeCharMatcher.whiteSpace().
- Add CharMatcher.punctuation() for ASCII punctuation characters.
Various improvements to graph library:
- Add support for unmodifiable graphs.
- Add support to compute the max-flow.
- Rename GraphBuilder with GraphFactory.
- Replace Graph.getEdges with Graph.getEdge, add Graph.putEdge.
Make object printer syntax to look like tuples, no need to have these weird curly braces anymore.
Add double.nextUp, double.nextDown, double.nextTowards(double), and double.ulp.
Add growable flag to SortedList constructors.
Add Farey sequence to Fraction.
Improve documentation across many parts of the library.

4.0.0 #

Dart 3.0 requirement.
Removed deprecated code.
Reimplement Tuple on top of records:
- Replace types like Tuple2<String, int> with (String, int).
- Replace constructors like Tuple2('hello', 42) with ('hello', 42).
Add Iterable.pairwise over the successive overlapping pairs.
Add Iterable.deepFlatten over arbitrarily nested iterables.
Add product and zip extensions on tuples of iterables.
Add partial function evaluation, and currying extensions.

3.10.0 #

Add a growable BitList, make it behave more like List<bool>.
Optimize BitList operations: fill, count, and indices.
Change return type of generic throwFunction to Never.
Add graph algorithms and data structures.
Add Map.withDefault providing a default value for non-existing keys.
Add support to generate permutations with a specified length, as well as extensions to generate the previous and next permutation.

3.9.0 #

Various extension to work with bits.
Add iterator over BitList.indices that are true or false.
Add experimental RTree implementation.
Various optimizations and improvements to mathematical functions.
Generalize the prime sieve implementation and add support for more efficient primality check and factorization.
More efficient implementation of repeat for a single element.
Make Iterable.groupBy and Iterable.indexed return instances of MapEntry for easier interoperability with Map.
Fix various edge cases with Range iterables.
Fix Iterable.combinations for empty iterables.
Add List extensions takeTo, skipTo, takeLast, takeLastTo, skipLast, and skipLastTo.
Add Iterable extension count and powerSet.
Deprecate Iterable.cycle in favor of Iterable.repeat.
Deprecated naturalComparator in favor of naturalCompare and naturalComparable<T>.
Deprecate the iterable package, and integrate the extensions into the collection package.

3.8.0 #

Add String extensions take, takeTo, skip, skipTo, takeLast, takeLastTo, skipLast, and skipLastTo.
Create a new temporal package unifying all DateTime and Duration related extensions:
- Moved DateTime.periodical and DateTime.truncate to the new page, deprecated the old code.
- Add various convenience accessors to DateTime: isLeapYear, daysInYear, daysInMonth, weeksInYear, quarter, weekYear, weekNumber, dayOfYear, and hour12.
- Add ability to convert Duration objects to one or more (fractional) TimeUnits.
Countless improvements and extensions to the printer package:
- Add DateTimePrinter to print date and time objects.
- Add OrdinalNumberPrinter to print ordinal numbers: 1st, 2nd, 3rd, 4th, ...
- Add Printer.switcher to use different printers based on conditions.
- Add Printer.where to condition the printing on the printed object.
- Add Printer support for take, skip, takeLast and skipLast.
- Add Printer support for truncateRight, truncateLeft, and truncateCenter to also operate on word and sentence boundaries. Include the ellipsis in the width constraint.
- Deprecated Printer.map, and replace with more common and intention revealing Printer.onResultOf.
Implement the functionality of Ordering as static extensions methods on Comparator functions:
- Add Comparator.binarySearchLower and Comparator.binarySearchUpper to return a lower/upper insertion index.
- Add Comparator.largest and Comparator.smallest to return the top/bottom-k elements.
- Deprecate the Ordering class and package.
Create Interval to encapsulate bounded/unbounded and open/closed intervals across arbitrary Comparable objects.
- Add the ability to measure the length of Interval<int>.toIntLength() and Interval<num>.toDoubleLength().
- Add ability to convert Interval<DateTime> to a Duration.
Added SortedList collection type.
Add CompareOperators mixin to provide operators given a compareTo method.

3.7.0 #

Add closeTo extension to all numbers.
Make Fraction support non-finite numbers.

3.6.0 #

Dart 2.17 requirement.
Add a max-heap collection type.
Add predicates for the ordering type.
Add interval data structure with open, closed, and infinite endpoints.

3.5.0 #

Dart 2.16 requirement.
Avoid dynamic calls.
Better print strings across the library.

3.4.0 #

Remove deprecated hashAll and hash1, hash2, hash3, ... methods.
Add ObjectPrinter.addValue for more dynamic object printing.
Add ToStringPrinter mixin for simpler use of ObjectPrinter.
Add Stream.window along the existing Iterable.window extension (thanks to https://github.com/pihentagy).
Various cleanups and better test coverage.

3.3.0 #

Dart 2.14 requirement.
Added indent/dedent and wrap/unwrap to String.
Deprecated hashAll and hash1, hash2, hash3, ... methods, since this is now supported through the core library on Object.

3.2.0 #

Make Printer significantly faster by reusing a single StringBuffer instance where possible.
Make Printer strongly typed, which unfortunately comes with some required API changes:
- Number printers do no longer support BigInt.
- Number printers are directly instantiated, instead of using a factory on Printer.
Improved the Printer library in various ways:
- Renamed undefined to the more intention revealing ifNull.
- Added ifEmpty to print something specific for empty Iterables.
- Added map and cast printers for more flexible printing.
- Add initial version of the ObjectPrinter.

3.1.0 #

Dart 2.13 requirement.
Add Optional and Either type.
Add TypeMap that maps Dart types to an instance.
Add various kinds of function types and function factories: callback function types, constant functions, empty functions, identity functions, mapping function types, predicate function types, and throwing functions.
Add String.convertFirstCharacters() and String.convertLastCharacters().
Add String.toUpperCaseFirstCharacter() and String.toLowerCaseFirstCharacter().

3.0.0 #

Dart 2.12 requirement and null-safety.
Use package:clock and package:fake_async across the board.
Add BigIntRange and optimize iteration of IntegerRange.
Optimize the implementation of ExpiryCache.
Fix maxAge of the Stream.buffer operator.
Add Fraction.sign and Complex.sign.
Add IterablePrinter to print lists.
Relax the type constraints on Ordering.natural.
CharMatcher is now a Pattern.
Introduce package:more/feature.dart to provide information about the runtime environment.
Add Trie (prefix tree) collection type.
Add Ordering.percentile.
Add Iterable.toMap, Iterable.atRandom, Iterable.min, Iterable.max and Iterable.percentile.
Optimize Range object creation and error reporting, and add Iterable.indices.
Add converters toBiMap, toListMultimap, and toSetMultimap.
Add String.removePrefix and String.removeSuffix.
Add List.rotate and Queue.rotate.

2.8.0 #

Dart 2.9 compatibility and requirement (in preparation of null-safety).
Remove Iterable.concat() in favor of Iterable.flatten().
Split Iterable.zip() into Interable.zip(), Iterable.zipPartial() and Iterable.zipPartialWith().
Fix a bug in Ordering.nullsFirst and Ordering.nullsLast.
Fix a race condition in cache value resolution.
Fix a rounding bug of numeric formats with precision 0.
Add human number printer (1 kilo, 1 mega, ...).
Add a map function to Tuple classes.

2.7.0 #

Add separatedBy, flatMap and flatten function on Iterable.
Cleanup printer package and improve documentation.

2.6.0 #

Add repeat function on Iterable.
Improved documentation.

2.5.0 #

Printer package correctly trims, pads and separates unicode strings now.
Updated class documentation regarding UTF-16 representation vs unicode strings.

2.4.0 #

Add in-place logical operators to BitList.
Optimize CharMatcher with lookup tables.
Improved documentation.

2.3.0 #

Add ListMultimap and SetMultimap.
Mark CharMatcher, Cache and Ordering as immutable.
Improve documentation, which still included pre Dart 2.0 examples.
Add extension methods to convert Comparator to Ordering.

2.2.0 #

Made truncateToPeriod and periodical extension methods of DateTime.
Add extension methods to convert
- a Map<K, V> to a BiMap<K, V>,
- an Iterable<bool> to a BitList, and
- an Iterable<T> to a Multiset<T>.

2.1.0 #

Cleanup Tuple class to be more readable and better typed.

2.0.0 #

Dart 2.7 compatibility and requirement.
Cleaned up deprecated code.
Iterables
- Converted most helpers to extension methods.
- Removed fold and fib, as they are not generally useful.
- Moved digits to package:more/math.
Collections
- Add extension method to int and double to create ranges, i.e. 0.to(20).
- Move the string lists to String.toList() extension method.
Math
- Move all numerical operators to num, ìnt and/or BigInt (new).

1.18.0 #

Dart 2.4 compatibility and requirement.
Add a tuple data type.

1.17.0 #

Dart 2.3 compatibility and requirement.
Various code improvements and optimizations.

1.16.0 #

Dart 2.2 compatibility and requirement.

1.15.0 #

Deprecated package:more/int_math package, and moved all not-deprecated code to package:more/math.dart.
Add 'polyfills' for hyperbolic functions to the math package.
Add functionality for combining hash codes.

1.14.0 #

Quaternion numbers.

1.13.0 #

Rename Range.stop to Range.end to be consistent with Dart naming conventions.
Rename partition to chunked to be more consistent with Dart nomenclature.
Add the zip iterable.

1.12.0 #

Add the number package.
- Move Fraction class into this package.
- Add support for Complex numbers.
Add the groupBy iterable.

1.11.0 #

Add the printer package.

1.10.0 #

Drop Dart 1.0 compatibility.

1.9.0 #

Dart 2.0 strong-mode compatibility required the following breaking changes:
- Replace callers of range() with either IntegerRange() or DoubleRange().
- Removed padding argument from partition(). To migrate replace broken calls-sites with partitionWithPadding().

1.8.1 #

Removed empty(), emptyIterator(), emptyIterable() since these are part of the core library now.
Add periodic iterable tools (monthly, weekly, daily, hourly, ...).

1.8.0 #

Ordering.reversed, Ordering.nullsFirst, Ordering.nullsLast, and Ordering.lexicographical are now properties for consistency with the Iterable protocol.
Various optimization and improvements on the Range class.

1.7.2 #

Cleanup after micro library migration.
Move to the latest Dart provided mixins.

1.7.1 #

Cleanup after micro library migration.
Address linter warnings.
Better test coverage.

1.7.0 #

Migrate to micro libraries.
Add caching library.

1.6.0 #

Use generic method syntax.

1.5.3 #

Fix pubspec SDK constraints.

1.5.2 #

Fix linter warnings.
Improve documentation.

1.5.1 #

Strong compiler compliant.

1.5.0 #

Fix various typos and linter issues.
Reformat documentation.

1.4.0 #

Migrate to Travis.

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