use std::f32; | |
#[derive(PartialEq)] | |
struct Foo { | |
x: u32 | |
} | |
const FOO: Foo = Foo { x: 0 }; | |
fn main() { | |
let y = Foo { x: 1 }; | |
match y { | |
FOO => { } | |
//~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]` | |
_ => { } | |
} | |
let x = 0.0; | |
match x { | |
f32::INFINITY => { } | |
//~^ WARNING floating-point types cannot be used in patterns | |
//~| WARNING will become a hard error in a future release | |
_ => { } | |
} | |
} |