match_any 1.0.1

Provides a declarative macro, that matches an expression to any of the patterns and executes the same expression arm for any match.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

use core::ops::Bound::{self, *};
use match_any::match_any;

#[test]
fn match_any_result() {
    let result: Result<i32, i64> = Err(1);
    let option: Option<i64> = match_any!(result, Ok(i) | Err(i) => Some(i.into()));
    assert_eq!(option, Some(1));
}

#[test]
fn match_any_with_two_arms() {
    let bound = Bound::Included(3);
    let int = match_any!(bound, Included(i) | Excluded(i) => i, Unbounded => 0);
    assert_eq!(int, 3);
}

#[test]
fn match_or_pattern() {
    let bound = Bound::Included(3);
    let int = match bound {
        Included(i) | Excluded(i) => i,
        Unbounded => 0,
    };
    assert_eq!(int, 3);
}

#[test]
fn unnecessary_match_any_ok() {
    let a = 30;
    let x = match_any!(a, ref b => b);
    assert_eq!(*x, a);
}