44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
#![feature(unboxed_closures)]
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fn f<F: Fn<usize>>(_: F) {}
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fn main() {
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[1, 2, 3].sort_by(|| panic!());
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//~^ ERROR closure is expected to take
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[1, 2, 3].sort_by(|tuple| panic!());
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//~^ ERROR closure is expected to take
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[1, 2, 3].sort_by(|(tuple, tuple2)| panic!());
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//~^ ERROR closure is expected to take
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[1, 2, 3].sort_by(|(tuple, tuple2): (usize, _)| panic!());
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//~^ ERROR closure is expected to take
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f(|| panic!());
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//~^ ERROR closure is expected to take
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f( move || panic!());
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//~^ ERROR closure is expected to take
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let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x| i);
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//~^ ERROR closure is expected to take
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let _it = vec![1, 2, 3].into_iter().enumerate().map(|i: usize, x| i);
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//~^ ERROR closure is expected to take
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let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x, y| i);
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//~^ ERROR closure is expected to take
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let _it = vec![1, 2, 3].into_iter().enumerate().map(foo);
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//~^ ERROR function is expected to take
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let bar = |i, x, y| i;
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let _it = vec![1, 2, 3].into_iter().enumerate().map(bar);
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//~^ ERROR closure is expected to take
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let _it = vec![1, 2, 3].into_iter().enumerate().map(qux);
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//~^ ERROR function is expected to take
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let _it = vec![1, 2, 3].into_iter().map(usize::checked_add);
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//~^ ERROR function is expected to take
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call(Foo);
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//~^ ERROR function is expected to take
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}
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fn foo() {}
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fn qux(x: usize, y: usize) {}
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fn call<F, R>(_: F) where F: FnOnce() -> R {}
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struct Foo(u8);
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