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28 lines
770 B
Rust
28 lines
770 B
Rust
//! This test used to ICE: #121134
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//! The issue is that we're trying to prove a projection, but there's
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//! no bound for the projection's trait, and the projection has the wrong
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//! kind of generic parameter (lifetime vs type).
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//! When actually calling the function with those broken bounds, trying to
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//! instantiate the bounds with inference vars would ICE.
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#![feature(unboxed_closures)]
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trait Output<'a> {
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type Type;
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}
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struct Wrapper;
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impl Wrapper {
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fn do_something_wrapper<O, F>(&mut self, _: F)
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where
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F: for<'a> FnOnce(<F as Output<i32>>::Type),
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//~^ ERROR: trait takes 0 generic arguments but 1 generic argument was supplied
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{
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}
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}
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fn main() {
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let mut wrapper = Wrapper;
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wrapper.do_something_wrapper(|value| ());
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}
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