Crate expr

Implementation of expr in rust

Example:

use expr::ExprParser;
let p = ExprParser::default();
assert_eq!(p.eval("1 + 2").unwrap().to_string(), "3");

Structs

• ExprParser
  Main struct for parsing and evaluating expr programs
• ExprProgram
  A parsed expr program that can be run

Enums

• ExprError
  An error that can occur when parsing or evaluating an expr program
• ExprValue
  Represents a data value as input or output to an expr program