mono-csharp-shell - 5.18.0.240+dfsg-3 main

Mono is a platform for running and developing applications based on the
ECMA/ISO Standards. Mono is an open source effort led by Xamarin.
Mono provides a complete CLR (Common Language Runtime) including compiler and
runtime, which can produce and execute CIL (Common Intermediate Language)
bytecode (aka assemblies), and a class library.
.
This package contains the interactive C# shell named csharp. csharp permits
dynamically evaluating C# statements, and can be used for writing scripts or
testing code fragments.
For examples and a brief overview of the commands see:
http://www.mono-project.com/CsharpRepl