- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.19561.8

- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.19558.11

[master] Update dependencies from dotnet/arcade

- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.19557.20

ImplicitZero is also used in error recovery during parsing, and the current comment contradicts it.

- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.19556.10

[master] Update dependencies from dotnet/arcade

More stack overflow fixes

FreeVars cache optimization on Expr.Let

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* Update dependencies from https://github.com/dotnet/arcade build 20191004.2

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* Update dependencies from https://github.com/dotnet/arcade build 20191010.4

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- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.19518.2

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* Update dependencies from https://github.com/dotnet/arcade build 20191029.9

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* Update dependencies from https://github.com/dotnet/arcade build 20191030.15

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- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.19531.14

* Update dependencies from https://github.com/dotnet/arcade build 20191101.3

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* Update dependencies from https://github.com/dotnet/arcade build 20191104.3

- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.19554.3

* work around dotnet/wpf#1718 by not embedding untracked sources

* use arcade mechanism of populating package icons

* init a basic readme.md for fsharp test suite

* fix title and try to add link

* case sensitive?

* Update layout.

* Update readme.md

* Delete duplicate test

StartTask was exactly the same as CreateTask 50 lines above.

* Restore poorly merged test case

Remove unused opens

* TailCalls test migration

* fix the diff in IL

* fix for netcore

* Recover ValNoMutable and PropertyCannotBeSet errors

* Recover FieldNotMutable error

* Refactor tests

* Refactor tests

* Update baseline

* Fix member declaration ranges

* Fix member declaration ranges

* Update baseline

* Update baseline

* Optimize Seq.Last like Seq.Length

Add type check to Seq.Last and Seq.TryLast to avoid full iteration if not necessary. Like Seq.Length does it at
https://github.com/dotnet/fsharp/blob/c18e1780b3f3f345364cb1ad8e510ea9f4590d3a/src/fsharp/FSharp.Core/seq.fs#L709

* Add test for Optimized Seq.Last and Seq.TryLast

* style update

* style update 2

* update comments and fix build error

Github Build error was:
 Check failure on line 132 in tests\FSharp.Core.UnitTests\FSharp.Core\Microsoft.FSharp.Collections\SeqModule2.fs

@azure-pipelines
azure-pipelines
/ fsharp-ci (Build Windows vs_release)

tests\FSharp.Core.UnitTests\FSharp.Core\Microsoft.FSharp.Collections\SeqModule2.fs#L132
tests\FSharp.Core.UnitTests\FSharp.Core\Microsoft.FSharp.Collections\SeqModule2.fs(132,58): error FS0064: This construct causes code to be less generic than indicated by the type annotations. The type variable 'a has been constrained to be type 'unit'.

* include List.last case

* include list in tests

* ensure same exception is raised on empty list

* typo

* Added implementation of List.last since it is not available at this point due to compilation error

The recursive function could also be defined inside but i guess then it would be reallocated on every call to Seq.Last (in case of list match).
An alternative would be to add .Last member on list type (like .Length member)

* inline List.last

reverting my previous attempt  https://github.com/dotnet/fsharp/pull/7765/commits/b329e23c543b41b36143fafc77187acc58585471
tail rec functions should be inlined

* typo in tests(build failed)

* typo2 in test (Build failed)

* move implemnetation to internal module

as suggested by dsyme

* renamed internal tryLast to tryLastV

* Fix some issues in ValueNone implementation

* More debug display

* Some for options in debug display

* Apply suggestions from code review
Co-Authored-By: NEugene Auduchinok <eugene.auduchinok@gmail.com>

* Probably better stringing

* Add them baselines

* Add sprintfn tests

* Update OptionModule.fs