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1 | // Copyright 2012 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 | fn main() { | |
12 | let x = 3; | |
13 | let y: i32 = 3; | |
14 | ||
15 | fn identity_u8(n: u8) -> u8 { n } | |
16 | fn identity_u16(n: u16) -> u16 { n } | |
17 | ||
18 | identity_u8(x); // after this, `x` is assumed to have type `u8` | |
19 | identity_u16(x); | |
85aaf69f SL |
20 | //~^ ERROR mismatched types |
21 | //~| expected `u16` | |
22 | //~| found `u8` | |
23 | //~| expected u16 | |
24 | //~| found u8 | |
223e47cc | 25 | identity_u16(y); |
85aaf69f SL |
26 | //~^ ERROR mismatched types |
27 | //~| expected `u16` | |
28 | //~| found `i32` | |
29 | //~| expected u16 | |
30 | //~| found i32 | |
223e47cc | 31 | |
85aaf69f | 32 | let a = 3; |
970d7e83 | 33 | |
1a4d82fc | 34 | fn identity_i(n: isize) -> isize { n } |
223e47cc LB |
35 | |
36 | identity_i(a); // ok | |
970d7e83 | 37 | identity_u16(a); |
85aaf69f SL |
38 | //~^ ERROR mismatched types |
39 | //~| expected `u16` | |
40 | //~| found `isize` | |
41 | //~| expected u16 | |
42 | //~| found isize | |
223e47cc LB |
43 | |
44 | } |