25 lines
790 B
Rust
25 lines
790 B
Rust
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(fn_traits)]
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trait CallSingle<A, B> {
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fn call(&self, a: A) -> B where Self: Fn(A) -> B;
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}
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impl<A, B, F: Fn(A) -> B> CallSingle<A, B> for F {
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fn call(&self, a: A) -> B {
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<Self as Fn(A) -> B>::call(self, (a,))
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//~^ ERROR associated type bindings are not allowed here
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}
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}
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fn main() {}
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