mirror of https://github.com/rust-lang/rust
20 lines
453 B
Rust
20 lines
453 B
Rust
//@ run-pass
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#![allow(unused_parens)]
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#![allow(unit_bindings)]
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//@ pretty-expanded FIXME #23616
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fn f<T, F>(g: F) -> T where F: FnOnce() -> T { g() }
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pub fn main() {
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let _x = f( | | { 10 });
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// used to be: cannot determine a type for this expression
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f(| | { });
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// ditto
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f( | | { ()});
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// always worked
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let _: () = f(| | { });
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// empty block with no type info should compile too
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let _ = f(||{});
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let _ = (||{});
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}
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