33 lines
1004 B
Rust
33 lines
1004 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.
|
|
|
|
fn main() {
|
|
let x = 3;
|
|
let y: i32 = 3;
|
|
|
|
fn identity_u8(n: u8) -> u8 { n }
|
|
fn identity_u16(n: u16) -> u16 { n }
|
|
|
|
identity_u8(x); // after this, `x` is assumed to have type `u8`
|
|
identity_u16(x);
|
|
//~^ ERROR mismatched types: expected `u16` but found `u8`
|
|
identity_u16(y);
|
|
//~^ ERROR mismatched types: expected `u16` but found `i32`
|
|
|
|
let a = 3i;
|
|
|
|
fn identity_i(n: int) -> int { n }
|
|
|
|
identity_i(a); // ok
|
|
identity_u16(a);
|
|
//~^ ERROR mismatched types: expected `u16` but found `int`
|
|
|
|
}
|