| // 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 |
| _ => {}, |
| } |
| } |
