main.rs - mozsearch

Enable keyboard shortcuts

//! In this example we build an [S-expression](https://en.wikipedia.org/wiki/S-expression)

//! parser and tiny [lisp](https://en.wikipedia.org/wiki/Lisp_(programming_language)) interpreter.

//! Lisp is a simple type of language made up of Atoms and Lists, forming easily parsable trees.

#![cfg(feature = "alloc")]

mod parser;

fn main() {

    let expression_1 = "((if (= (+ 3 (/ 9 3))

         (* 2 3))

/)

  456 123)";

    println!(

        "\"{}\"\nevaled gives us: {:?}",

        expression_1,

        parser::eval_from_str(expression_1)

);