45 lines
1.0 KiB
Rust
45 lines
1.0 KiB
Rust
// Copyright 2015 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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enum Abc {
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A(u8),
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B(i8),
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C,
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D,
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}
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fn foo(x: Abc) -> i32 {
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match x {
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Abc::C => 3,
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Abc::D => 4,
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Abc::B(_) => 2,
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Abc::A(_) => 1,
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}
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}
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fn foo2(x: Abc) -> bool {
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match x {
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Abc::D => true,
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_ => false
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}
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}
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fn main() {
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assert_eq!(1, foo(Abc::A(42)));
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assert_eq!(2, foo(Abc::B(-100)));
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assert_eq!(3, foo(Abc::C));
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assert_eq!(4, foo(Abc::D));
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assert_eq!(false, foo2(Abc::A(1)));
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assert_eq!(false, foo2(Abc::B(2)));
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assert_eq!(false, foo2(Abc::C));
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assert_eq!(true, foo2(Abc::D));
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}
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