3.4.0

@atifaziz

What's New 📣

This release notably adds nullable reference type annotations (see #582 and #803), the two experimental operators below and fixes a few bugs:

Merge (experimental)
Batch overloads using an array pool (experimental)

Breaking Changes ⚠️

While there are no breaking API changes in this release, the following changes will affect users using on .NET versions that have reached end-of-life:

Use .NET 6 SDK while dropping .NET 5 & Core 2.1 by @atifaziz in #843
Updated .NET Framework target to 4.6.2 by @atifaziz in #934

New Contributors 👋🏽

@TAGC made their first contribution in #772
@MarcDirven made their first contribution in #796
@sid-6581 made their first contribution in #808
@GitHubPang made their first contribution in #828
@MateoMiller made their first contribution in #846
@viceroypenguin made their first contribution in #888
@leotsarev made their first contribution in #907
@i3arnon made their first contribution in #959

What's Changed 🗒️

OrderedMerge: add tests by @Orace in #736
Replace explicit type mentions with object pattern by @atifaziz in #751
Optimize Batch for empty IReadOnlyCollection<T> too by @leandromoh in #750
Update to .NET Core SDK 3.1 by @atifaziz in #754
Update .NET Core installation script by @atifaziz in #756
Interleave: Do not call GetEnumerator eagerly by @Orace in #730
Fix (bash) test script to test against .NET Core 3.1 by @atifaziz in #757
Update all test dependencies by @atifaziz in #755
Deploy package only on CI build of "deploy" by @atifaziz in #758
Fix bug in LastOrDefault for extrema sequence by @atifaziz in #761
Annotate nullability of reference types by @atifaziz in #582 ⭐
Fix return value docs for MinBy/MaxBy by @atifaziz in #765
Fix .NET Core version in test script by @atifaziz in #767
Update to .NET 5.0 SDK by @atifaziz in #766
Fix duplicate test runs on Windows by @atifaziz in #769
Fix typo in Partition return value documentation by @TAGC in #772
Integrate templated code generation into project file by @atifaziz in #776
Add .NET 5.0 as a test target by @atifaziz in #777
Disable parallel building due to T4 for simplicity by @atifaziz in #779
Unify to single CI platform by @atifaziz in #778
Enable use of C# 9 across all projects by @atifaziz in #780
Mask System.Linq for async streams by @atifaziz in #781
Fix XML encoding of ">" in project file by @atifaziz in #785
Simpler extensions generator with namespace & program class by @atifaziz in #787
Replace using statements with declarations in tests by @atifaziz in #786
Update test project dependencies to latest versions by @atifaziz in #790
Fix grep invocation on Windows CI build by @atifaziz in #791
Use consistent line-folding in CI YAML shell sections by @atifaziz in #792
Doc update (+ instead of /) by @MarcDirven in #796
Fix dictionary bug when null key has null value by @atifaziz in #800
Fix TrySingle signature with honest nullable annotations by @atifaziz in #801
Cleanup ! operator usage in FallbackIfEmpty by @sid-6581 in #808
Fix Pad* signatures with more honest nullable annotations by @atifaziz in #804
Fix Lag & Lead signatures with more honest nullable annotations by @atifaziz in #805
Fix ReverseComparer signature with more honest nullable annotations by @sid-6581 in #807
Fix GroupAdjacent null key handling bug by @atifaziz in #810
Fix FullGroupJoin signature with more honest nullable annotations by @sid-6581 in #806
Add test to ensure Batch does not reuse internal array by @leandromoh in #820
Update links in README by @GitHubPang in #828
Use .NET 6 SDK while dropping .NET 5 & Core 2.1 by @atifaziz in #843
Removed unnecessary null check in Batch method by @MateoMiller in #846
Fix code coverage with new collector by @atifaziz in #845
Update referenced packages to latest versions by @atifaziz in #844
Fix Flatten signature parts to be null-oblivious by @atifaziz in #847
Add missing remarks tags on Batch overload by @atifaziz in #849
Constrain key type param in ToDictionary to notnull by @atifaziz in #852
Allow use of C# 10 by @atifaziz in #853
Remove look-up optimizations in CountBy/ScanBy by @atifaziz in #855
Replace Nullable with PolySharp by @atifaziz in #857
Fix code coverage using latest coverlet collector by @atifaziz in #858
Adjust library for .NET 6 target by @atifaziz in #860
Use end index "[^1]" by @atifaziz in #862
Use string interpolation by @atifaziz in #863
Discard unused parameters by @atifaziz in #864
Rewrite switch statements as expressions by @atifaziz in #865
Use += to increment by @atifaziz in #869
Convert using statements to declarations by @atifaziz in #867
Revise & take advantage of pattern matching by @atifaziz in #866
Rewrite swap more succinctly (via tuples) by @atifaziz in #868
Simplify names (IDE0001) by @atifaziz in #861
Make PolySharp a build-time dependency by @jnyrup in #870
Update to .NET 7 by @atifaziz in #871
Fix test scripts to test on .NET 7 runtime by @atifaziz in #873
Allow use of C# 11 by @atifaziz in #874
Replace MayBeNull with ? in IExtremaEnumerable members by @atifaziz in #872
Enable nullable context in Flatten tests by @atifaziz in #875
Update ReportGenerator tool to 5.1.11 by @atifaziz in #876
Enable nullable context for extensions generator by @atifaziz in #878
Sync Lookup + Grouping from .NET 7 sources by @atifaziz in #879
Batch overloads using an array pool by @atifaziz in #856
PartialSort: #nullable enable on tests by @viceroypenguin in #888
Fix nullability annotation in Subject by @atifaziz in #891
Replace null-forgiving operator uses with debug assertions by @atifaziz in #890
Update Memoize documentation by @viceroypenguin in #895
Add parameter annotations for Partition by @viceroypenguin in #897
Document Partition exceptions by @viceroypenguin in #886
Add null check for Partition by @viceroypenguin in #896
Rewrite switch in Memoize as expression by @viceroypenguin in #894
Cleanup Partition Nullability by @viceroypenguin in #881
Add exceptions section to Zip* docs by @viceroypenguin in #887
Add identity method to reduce JIT-ing by @viceroypenguin in #880
Use random shared by @leotsarev in #907
Fix nullability for ZipLongest by @viceroypenguin in #900
Enable nullable context for remaining *Zip* tests by @atifaziz in #908
Add NUnit.Analyzers, addressing warnings by @atifaziz in #910
Remove unused imports by @atifaziz in #911
Update all tests to consistently use the NUnit constraint model by @atifaziz in #912
Fix nullability of Rank comparer argument by @atifaziz in #913
Fix nullability of ToDataTable expressions argument by @atifaziz in #914
Enable nullable context for entire solution by @atifaziz in #915
Seal private enumerators by @atifaziz in #916
Replace ! with debug assertion in Permutations by @atifaziz in #917
Fix typos in comments by @atifaziz in #918
Use LinkedList in Interleave to avoid many null checks by @Orace in #726
Update packages to latest versions by @atifaziz in #920
Add more Interleave tests by @Orace in #728
Retire our delegating Comparer by @atifaziz in #921
Mark local function static where possible by @atifaziz in #922
Address to-do about consolidating testing sequence implementations by @atifaziz in #923
Use tuples to perform swap in Permutations by @atifaziz in #925
Fix exception thrown by current buffer index implementation by @atifaziz in #927
Rewrite next permutation while-loop into a for-loop by @atifaziz in #926
Consolidate error formatting between AssertCount and Fold by @atifaziz in #929
Enable default compile items in test project by @atifaziz in #930
Enable static analysis by @atifaziz in #924
Additional tests for TagFirstLast by @Orace in #928
Fix off-by-one index validation bug in ToArrayByIndex by @atifaziz in #932
Decompose TagFirstLast implementation for speed by @Orace in #643
Updated .NET Framework target to 4.6.2 by @atifaziz in #934
Remove redundant type spec on obvious new expressions by @atifaziz in #935
Use testing sequence in Pairwise test by @atifaziz in #937
Declare & set modifier preference (IDE0040) severity by @atifaziz in #938
Fix Exclude to not call MoveNext past end of sequence by @Orace in #692
Fix home when setting path during CI build by @atifaziz in #941
Revert integration of T4 code generation into project file by @atifaziz in #940
Simplify tests for count family of methods by @Arithmomaniac in #507
Improve list optimisation in CountDown by @atifaziz in #942
Enforce and address code style issues by @atifaziz in #944
List-like union as struct to save allocation + virtual dispatch by @atifaziz in #472
Fix collection-optimized paths to be at iteration-time by @atifaziz in #946
Rename read-only list/collection field of ListLike/CollectionLike by @atifaziz in #948
Improve and Validate TestingSequence assertions by @viceroypenguin in #936
Consolidate structural differences in *Like types by @atifaziz in #949
Revoke (obsolete) disabling of parallel builds by @atifaziz in #950
Run T4 templates if targets are out-of-date by @atifaziz in #953
Discard unused expression value (IDE0058) by @atifaziz in #954
Remove testing on .NET Core 3.1 that's no longer supported by @atifaziz in #955
Dynamically discover/build glob for ECLint by @atifaziz in #957
Separate build pre-/post-validation into relevant CI sections by @atifaziz in #952
Fix some doc comments by @atifaziz in #958
Make use of message in Debug.Assert by @i3arnon in #959
Use compiler-generated delegate caches in ToDelimitedString by @atifaziz in #966
Merge sequence of async streams into single async stream by @atifaziz in #793 ⭐
Update .NET SDK to 7.0.200 by @atifaziz in #967
Fix collection-optimized paths for Batch by @viceroypenguin in #965
Simplify Fold Implementation by @viceroypenguin in #961
Fix inconsistencies in Fold doc by @atifaziz in #968
Add read-me document to NuGet package by @atifaziz in #970
Implement Fold entirely in its own terms by @atifaziz in #969
Remove unused imports (in ToDelimitedString) by @atifaziz in #971
Use compiler-generated delegate cache in AssertCount by @atifaziz in #972
Validate package by @atifaziz in #974
Produce deterministic CI builds by @atifaziz in #975

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

3.4.0

What's New 📣

Breaking Changes ⚠️

See Also ℹ️

New Contributors 👋🏽

What's Changed 🗒️

Contributors