40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
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fn closure1(+x: ~str) -> (~str, fn@() -> ~str) {
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let f = fn@() -> ~str {
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copy x
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//~^ WARNING implicitly copying a non-implicitly-copyable value
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//~^^ NOTE to copy values into a @fn closure, use a capture clause
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};
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(x,f)
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}
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fn closure2(+x: util::NonCopyable) -> (util::NonCopyable,
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fn@() -> util::NonCopyable) {
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let f = fn@() -> util::NonCopyable {
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copy x
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//~^ ERROR copying a noncopyable value
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//~^^ NOTE non-copyable value cannot be copied into a @fn closure
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//~^^^ ERROR copying a noncopyable value
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};
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(x,f)
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}
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fn closure3(+x: util::NonCopyable) {
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do task::spawn {
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let s = copy x;
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//~^ ERROR copying a noncopyable value
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//~^^ NOTE non-copyable value cannot be copied into a ~fn closure
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//~^^^ ERROR copying a noncopyable value
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error!("%?", s);
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}
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error!("%?", x);
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}
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fn main() {
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let x = ~"hello";
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do task::spawn {
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let s = copy x;
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//~^ WARNING implicitly copying a non-implicitly-copyable value
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//~^^ NOTE to copy values into a ~fn closure, use a capture clause
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error!("%s from child", s);
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}
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error!("%s", x);
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}
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