src/test/ui/structs-enums/expr-if-struct.rs


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// run-pass
#![allow(non_camel_case_types)]


// Tests for if as expressions returning nominal types

#[derive(Copy, Clone)]
struct I { i: isize }

fn test_rec() {
    let rs = if true { I {i: 100} } else { I {i: 101} };
    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 = if true { mood::happy } else { mood::sad };
    assert_eq!(rs, mood::happy);
}

pub fn main() { test_rec(); test_tag(); }