41 lines
1.0 KiB
Rust
41 lines
1.0 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Tests for if as expressions returning nominal types
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#[derive(Copy, Clone)]
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struct I { i: isize }
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fn test_rec() {
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let rs = if true { I {i: 100} } else { I {i: 101} };
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assert_eq!(rs.i, 100);
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}
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#[derive(Copy, Clone, Debug)]
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enum mood { happy, sad, }
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impl PartialEq for mood {
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fn eq(&self, other: &mood) -> bool {
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((*self) as usize) == ((*other) as usize)
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}
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fn ne(&self, other: &mood) -> bool { !(*self).eq(other) }
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}
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fn test_tag() {
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let rs = if true { mood::happy } else { mood::sad };
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assert_eq!(rs, mood::happy);
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}
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pub fn main() { test_rec(); test_tag(); }
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