51 lines
2.0 KiB
Rust
51 lines
2.0 KiB
Rust
// Copyright 2017 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.
|
|
|
|
// Matching against float literals should result in a linter error
|
|
|
|
#![feature(exclusive_range_pattern)]
|
|
#![allow(unused)]
|
|
#![forbid(illegal_floating_point_literal_pattern)]
|
|
|
|
fn main() {
|
|
let x = 42.0;
|
|
match x {
|
|
5.0 => {}, //~ ERROR floating-point types cannot be used in patterns
|
|
//~| WARNING hard error
|
|
5.0f32 => {}, //~ ERROR floating-point types cannot be used in patterns
|
|
//~| WARNING hard error
|
|
-5.0 => {}, //~ ERROR floating-point types cannot be used in patterns
|
|
//~| WARNING hard error
|
|
1.0 .. 33.0 => {}, //~ ERROR floating-point types cannot be used in patterns
|
|
//~| WARNING hard error
|
|
//~| ERROR floating-point types cannot be used in patterns
|
|
//~| WARNING hard error
|
|
39.0 ..= 70.0 => {}, //~ ERROR floating-point types cannot be used in patterns
|
|
//~| WARNING hard error
|
|
//~| ERROR floating-point types cannot be used in patterns
|
|
//~| WARNING hard error
|
|
_ => {},
|
|
};
|
|
let y = 5.0;
|
|
// Same for tuples
|
|
match (x, 5) {
|
|
(3.14, 1) => {}, //~ ERROR floating-point types cannot be used
|
|
//~| WARNING hard error
|
|
_ => {},
|
|
}
|
|
// Or structs
|
|
struct Foo { x: f32 };
|
|
match (Foo { x }) {
|
|
Foo { x: 2.0 } => {}, //~ ERROR floating-point types cannot be used
|
|
//~| WARNING hard error
|
|
_ => {},
|
|
}
|
|
}
|