Another exercism problem done

exercism/fsharp/reverse-string/README.md

+# Reverse String
+
+Reverse a string
+
+For example:
+input: "cool"
+output: "looc"
+
+## Running the tests
+
+To run the tests, run the command `dotnet test` from within the exercise directory.
+
+## Autoformatting the code
+
+F# source code can be formatted with the [Fantomas](https://github.com/fsprojects/fantomas) tool.
+
+After installing it with `dotnet tool restore`, run `dotnet fantomas .` to format code within the current directory.
+
+## Further information
+
+For more detailed information about the F# track, including how to get help if
+you're having trouble, please visit the exercism.io [F# language page](http://exercism.io/languages/fsharp/resources).
+
+## Source
+
+Introductory challenge to reverse an input string [https://medium.freecodecamp.org/how-to-reverse-a-string-in-javascript-in-3-different-ways-75e4763c68cb](https://medium.freecodecamp.org/how-to-reverse-a-string-in-javascript-in-3-different-ways-75e4763c68cb)
+

exercism/fsharp/reverse-string/ReverseString.fs

+module ReverseString
+
+let reverse (input: string) = Seq.toList input |> List.rev |> Array.ofList |> System.String

exercism/fsharp/reverse-string/ReverseString.fsproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="ReverseString.fs" />
+    <Compile Include="ReverseStringTests.fs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2" />
+    <PackageReference Include="FsUnit.xUnit" Version="3.8.1" />
+  </ItemGroup>
+
+</Project>

exercism/fsharp/reverse-string/ReverseStringTests.fs

+// This file was auto-generated based on version 1.2.0 of the canonical data.
+
+module ReverseStringTests
+
+open FsUnit.Xunit
+open Xunit
+
+open ReverseString
+
+[<Fact>]
+let ``An empty string`` () =
+    reverse "" |> should equal ""
+
+[<Fact>]
+let ``A word`` () =
+    reverse "robot" |> should equal "tobor"
+
+[<Fact>]
+let ``A capitalized word`` () =
+    reverse "Ramen" |> should equal "nemaR"
+
+[<Fact>]
+let ``A sentence with punctuation`` () =
+    reverse "I'm hungry!" |> should equal "!yrgnuh m'I"
+
+[<Fact>]
+let ``A palindrome`` () =
+    reverse "racecar" |> should equal "racecar"
+
+[<Fact>]
+let ``An even-sized word`` () =
+    reverse "drawer" |> should equal "reward"
+