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This repository contains source code for https://sharplab.io.

SharpLab is a .NET code playground that shows intermediate steps and results of code compilation. Some language features are thin wrappers on top of other features -- e.g. using() becomes try/catch. SharpLab allows you to see the code as compiler sees it, and get a better understanding of .NET languages.

Recent versions include experimental support for running code, with some limitations.

Languages

SharpLab supports three source languages:

1. C#
2. Visual Basic
3. F#

Due to complexity of F#'s compiler library, some features might not be available for F#.

Decompilation/Disassembly

There are currently four targets for decompilation/disassembly:

1. C#
2. Visual Basic
3. IL
4. JIT Asm (Native Asm Code)

Note that C#=>VB or VB=>C# disassembly shouldn't be used to convert between languages, as the produced code is intentionally overly verbose.

Execution

You can use "Run" target to execute your code and see the output.
Execution enables a few nice features such as flow arrows — see here:
https://twitter.com/ashmind/status/894058159223955456.

Execution is intentionally limited, however the limits are continuously improved and corrected.

Contributing

See CONTRIBUTING.md.