e575d19acc
Saying that a type *implements* a trait is much more idiomatic than saying it *defines* the trait.
32 lines
1012 B
Rust
32 lines
1012 B
Rust
// Copyright 2012-2013 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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// Issue 4691: Ensure that functional-struct-update can only copy, not
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// move, when the struct implements Drop.
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struct B;
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struct S { a: isize, b: B }
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impl Drop for S { fn drop(&mut self) { } }
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struct T { a: isize, mv: Box<isize> }
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impl Drop for T { fn drop(&mut self) { } }
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fn f(s0:S) {
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let _s2 = S{a: 2, ..s0};
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//~^ error: cannot move out of type `S`, which implements the `Drop` trait
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}
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fn g(s0:T) {
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let _s2 = T{a: 2, ..s0};
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//~^ error: cannot move out of type `T`, which implements the `Drop` trait
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}
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fn main() { }
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