Morel

A functional query language.

Download and build

$ git clone git://github.com/hydromatic/morel-rust.git
$ cd morel-rust
$ cargo build; ./target/main

Run the Morel shell

$ cargo run
morel-rust version 0.2.0 (rust version 1.90.0)
- "Hello, world!";
> val it = "Hello, world!" : string

Type control+D to exit the shell.

For quick testing, use the -c flag.

$ cargo run -- -c "1 + 2"
val it = 3 : int

$ cargo run -- -c "from i in [1,2,3] where i > 1"
val it = [2,3] : int list

$ cargo run -- -c 'let fun double x = x * 2 in map double [2,3,4] end'
val it = [4,6,8] : int list

Documentation

• Morel Rust language reference
• Morel Java language reference
• Query reference
• Change log
• Reading test scripts can be instructive; try, for example, builtIn.smli

More information

• License: Apache License, Version 2.0
• Author: Julian Hyde (@julianhyde)
• Blog: http://blog.hydromatic.net
• Source code: https://github.com/hydromatic/morel-rust
• Issues: https://github.com/hydromatic/morel-rust/issues
• Change log and release notes