a32498d846
correct handling of moves for struct-record update. Part of #3678. Fixes #2828, #3904, #4719.
28 lines
755 B
Rust
28 lines
755 B
Rust
type Noncopyable = ~fn();
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struct Foo {
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copied: int,
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moved: ~int,
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noncopyable: Noncopyable
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}
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fn test0(f: Foo, g: Noncopyable, h: Noncopyable) {
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// just copy implicitly copyable fields from `f`, no moves:
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let _b = Foo {moved: ~1, noncopyable: g, ..f};
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let _c = Foo {moved: ~2, noncopyable: h, ..f};
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}
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fn test1(f: Foo, g: Noncopyable, h: Noncopyable) {
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// copying move-by-default fields from `f`, so move:
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let _b = Foo {noncopyable: g, ..f};
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let _c = Foo {noncopyable: h, ..f}; //~ ERROR use of moved value: `f`
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}
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fn test2(f: Foo, g: Noncopyable) {
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// move non-copyable field
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let _b = Foo {copied: 22, moved: ~23, ..f};
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let _c = Foo {noncopyable: g, ..f}; //~ ERROR use of moved value: `f`
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}
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fn main() {}
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