rust/tests/ui/structs-enums/expr-match-struct.rs
2024-02-16 20:02:50 +00:00

32 lines
679 B
Rust

//@ run-pass
#![allow(non_camel_case_types)]
// Tests for match as expressions resulting in struct types
#[derive(Copy, Clone)]
struct R { i: isize }
fn test_rec() {
let rs = match true { true => R {i: 100}, _ => panic!() };
assert_eq!(rs.i, 100);
}
#[derive(Copy, Clone, Debug)]
enum mood { happy, sad, }
impl PartialEq for mood {
fn eq(&self, other: &mood) -> bool {
((*self) as usize) == ((*other) as usize)
}
fn ne(&self, other: &mood) -> bool { !(*self).eq(other) }
}
fn test_tag() {
let rs = match true { true => { mood::happy } false => { mood::sad } };
assert_eq!(rs, mood::happy);
}
pub fn main() { test_rec(); test_tag(); }