Crate hkkim_lib_wikibooks_rpn_test

RPN Calc

Reverse Polish notation (RPN) Calc.

Example 1

let src = String::from("1 2 + 3 * ");
let a = hkkim_lib_wikibooks_rpn_test::eval(src).unwrap();
println!("{}", a); // →9

Example 2

use hkkim_lib_wikibooks_rpn_test as rpn_calc;
let src = "2 3 4 * +".to_string();
let ans = rpn_calc::eval(src).unwrap();
println!("{}", ans);

Functions

• eval