28 lines
911 B
Rust
28 lines
911 B
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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struct A { a: int, b: int }
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struct B { a: int, b: C }
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struct D { a: int, d: C }
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struct C { c: int }
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pub fn main() {
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match A {a: 10, b: 20} {
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x@A {a, b: 20} => { assert!(x.a == 10); assert!(a == 10); }
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A {b: _b, ..} => { fail!(); }
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}
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let mut x@B {b, ..} = B {a: 10, b: C {c: 20}};
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x.b.c = 30;
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assert_eq!(b.c, 20);
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let mut y@D {d, ..} = D {a: 10, d: C {c: 20}};
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y.d.c = 30;
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assert_eq!(d.c, 20);
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}
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