On: Show HN: DotNetFiddle – JsFiddle for .Net

[MichaelGG]

Mono ships with a C# REPL: http://www.mono-project.com/CsharpRepl

After using F# and having F# Interactive onhand, I cannot imagine working without a REPL. There's so many small things that become simple to check if you've got a REPL handy.