src/test/ui/mismatched_types/closure-arg-count.rs

   1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![feature(unboxed_closures)]
  12
  13 fn f<F: Fn<usize>>(_: F) {}
  14 fn main() {
  15     [1, 2, 3].sort_by(|| panic!());
  16     [1, 2, 3].sort_by(|tuple| panic!());
  17     [1, 2, 3].sort_by(|(tuple, tuple2)| panic!());
  18     f(|| panic!());
  19
  20     let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x| i);
  21     let _it = vec![1, 2, 3].into_iter().enumerate().map(|i: usize, x| i);
  22     let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x, y| i);
  23 }