mirror of https://github.com/rust-lang/rust
30 lines
598 B
Rust
30 lines
598 B
Rust
pub trait NSWindow: Sized {
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fn frame(self) -> () {
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unimplemented!()
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}
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fn setFrame_display_(self, display: ()) {}
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}
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impl NSWindow for () {}
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pub struct NSRect {}
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use std::ops::Deref;
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struct MainThreadSafe<T = ()>(T);
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impl<T> Deref for MainThreadSafe<T> {
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type Target = T;
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fn deref(&self) -> &T {
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unimplemented!()
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}
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}
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fn main() {
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|| {
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let ns_window = MainThreadSafe(());
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// Don't record adjustments twice for `*ns_window`
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(*ns_window).frame();
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ns_window.setFrame_display_(0);
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//~^ ERROR mismatched types
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};
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}
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