#reverse-polish-notation #rpn #notatio

hkkim_lib_wikibooks_rpn_test

RPN(Reverse Polish Notatio) library

2 releases

0.1.1 Jan 11, 2024
0.1.0 Jan 11, 2024

#1195 in Math

MIT license

4KB

RPN(Reverse Polish Notation) Calc

Reverse Polish notation (RPN) Calc.

Example

fn main() {
    let src = String::from("1 2 + 3 * ");
    let a = hkkim_lib_wikibooks_rpn_test::eval(src).unwrap();
    println!("{}", a); // →9
}
fn main() {
    let result = hkkim_lib_wikibooks_rpn_test::eval_str("1 2 3 * +");
    println!("{}", result); // →7
}
use hkkim_lib_wikibooks_rpn_test as rpn_calc;

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

lib.rs:

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);

No runtime deps