9 lines
191 B
Rust
9 lines
191 B
Rust
// Make sure we don't ICE printing `impl AsyncFnOnce<()>`.
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#![feature(unboxed_closures, fn_traits)]
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fn f() -> impl FnOnce<()> { || () }
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fn main() { () = f(); }
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//~^ ERROR mismatched types
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