Kitten is a statically typed, stack-based functional programming language designed for simplicity, speed, and safety. This is an in-progress implementation of that language, including:
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An interactive console for testing code.
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An interpreter.
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A compiler targeting C99.
Note: these are currently out of date with the new compiler.
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Visit the official site.
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Browse some examples.
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Skim a quick intro.
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Read a (work in progress) tutorial.
To build the latest compiler, you need Stack:
git clone https://github.com/evincarofautumn/kitten.git
cd kitten
stack setup
stack build
stack exec kitten
# OR
stack install
~/.local/bin/kitten
To build the old compiler, which will be removed soon, you need GHC ≥7.10:
git clone https://github.com/evincarofautumn/kitten.git
cd kitten
make
You can run the integration tests concurrently with make -jn, where n is the number of concurrent jobs. If you are working on the compiler, you can use make dev to avoid checking the library dependencies on every rebuild.