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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 | // Matching against float literals should result in a linter error | |
12 | ||
13 | #![feature(slice_patterns)] | |
14 | #![feature(exclusive_range_pattern)] | |
15 | #![allow(unused)] | |
16 | #![forbid(illegal_floating_point_literal_pattern)] | |
17 | ||
18 | fn main() { | |
19 | let x = 42.0; | |
20 | match x { | |
21 | 5.0 => {}, //~ ERROR floating-point literals cannot be used | |
22 | //~| WARNING hard error | |
23 | 5.0f32 => {}, //~ ERROR floating-point literals cannot be used | |
24 | //~| WARNING hard error | |
25 | -5.0 => {}, //~ ERROR floating-point literals cannot be used | |
26 | //~| WARNING hard error | |
27 | 1.0 .. 33.0 => {}, //~ ERROR floating-point literals cannot be used | |
28 | //~| WARNING hard error | |
29 | //~| ERROR floating-point literals cannot be used | |
30 | //~| WARNING hard error | |
31 | 39.0 ... 70.0 => {}, //~ ERROR floating-point literals cannot be used | |
32 | //~| WARNING hard error | |
33 | //~| ERROR floating-point literals cannot be used | |
34 | //~| WARNING hard error | |
35 | _ => {}, | |
36 | }; | |
37 | let y = 5.0; | |
38 | // Same for tuples | |
39 | match (x, 5) { | |
40 | (3.14, 1) => {}, //~ ERROR floating-point literals cannot be used | |
41 | //~| WARNING hard error | |
7cac9316 XL |
42 | _ => {}, |
43 | } | |
44 | // Or structs | |
45 | struct Foo { x: f32 }; | |
46 | match (Foo { x }) { | |
47 | Foo { x: 2.0 } => {}, //~ ERROR floating-point literals cannot be used | |
48 | //~| WARNING hard error | |
7cac9316 XL |
49 | _ => {}, |
50 | } | |
51 | } |