Skiff

An immutability-first, functional scripting language with a friendly syntax and interpreter written in Rust!

Running

You can run Skiff in the Skiff web editor.

If you prefer to use your own text editor, you can install Skiff from crates.io and run it from the command line

bash cargo install skiff skiff <filename> # make sure installed crate binaries are in your PATH

Language Reference

Full docs are a work in progress. To get an idea of what the features and syntax look like, you can look at the language tour test file.

Developing

Clone the repo to work on Skiff. You can run a local development version using

bash cargo run -- <filename>

For example:

bash cargo run -- tests/files/success/plus_and_times_precedence.boat

Roadmap

Language Features:

| | Tree Walk Interpreter | Bytecode Interpreter | | ------------------------ | --------------------- | -------------------- | | Arithmetic | ✓ | | | Equality Operators | ✓ | | | Conditionals | ✓ | | | Functions | ✓ | | | Recursion | ✓ | | | Lambdas | ✓ | | | Let binding | ✓ | | | Improved Error Reporting | ✓ | | | Type Annotations | ✓ | | | Type Inference | ✓ | | | Algebraic Datatypes | ✓ | | | Pattern Matching | ✓ | | | Exhaustiveness Checking | ✓ | | | Call Stack Traces | ✓ | | | Parameterized Types | | | | Strings | | | | File Operations | | | | Testing Constructs | | |

Miscellaneous: