Lib.rs

expr-lang

Implementation of expr in rust.

Usage

use expr::ExprParser;

fn main() {
    let p = ExprParser::default();
    assert_eq!(p.eval("1 + 2").unwrap().to_string(), "3");
}

lib.rs:

Implementation of expr in rust

Example:

use std::collections::HashMap;
use expr::{ExprContext, ExprParser};
let p = ExprParser::new();
let ctx = ExprContext::default();
assert_eq!(p.eval("1 + 2", &ctx).unwrap().to_string(), "3");