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16 lines
323 B
Rust
16 lines
323 B
Rust
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#![feature(unboxed_closures)]
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trait Lt<'a> {
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type T;
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}
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impl<'a> Lt<'a> for () {
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type T = ();
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}
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fn main() {
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let v: <() as Lt<'_>>::T = ();
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let f: &mut dyn FnMut<(_,), Output = ()> = &mut |_: <() as Lt<'_>>::T| {};
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//~^ ERROR: the size for values of type `<() as Lt<'_>>::T` cannot be known
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f(v);
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}
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