rust/src/test/compile-fail/block-coerce-no-2.rs

24 lines
699 B
Rust

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Make sure that fn-to-block coercion isn't incorrectly lifted over
// other tycons.
fn main() {
fn f(f: fn(fn(fn()))) {
}
fn g(f: fn(||)) {
}
f(g);
//~^ ERROR mismatched types: expected `fn(fn(fn()))`
}