18 lines
414 B
Rust
18 lines
414 B
Rust
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#![feature(fn_traits, unboxed_closures, tuple_trait)]
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use std::default::Default;
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use std::marker::Tuple;
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fn wrap<P: Tuple + Default, T>(func: impl Fn<P, Output = T>) {
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let x: P = Default::default();
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// Should be: `func.call(x);`
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func(x);
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//~^ ERROR cannot use call notation; the first type parameter for the function trait is neither a tuple nor unit
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}
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fn foo() {}
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fn main() {
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wrap(foo);
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}
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