rust-clippy/tests/ui/arithmetic.rs
2019-01-21 13:59:49 +01:00

71 lines
1.2 KiB
Rust

#![warn(clippy::integer_arithmetic, clippy::float_arithmetic)]
#![allow(
unused,
clippy::shadow_reuse,
clippy::shadow_unrelated,
clippy::no_effect,
clippy::unnecessary_operation
)]
#[rustfmt::skip]
fn main() {
let i = 1i32;
1 + i;
i * 2;
1 %
i / 2; // no error, this is part of the expression in the preceding line
i - 2 + 2 - i;
-i;
// no error, overflows are checked by `overflowing_literals`
-1;
-(-1);
i & 1; // no wrapping
i | 1;
i ^ 1;
i >> 1;
i << 1;
let f = 1.0f32;
f * 2.0;
1.0 + f;
f * 2.0;
f / 2.0;
f - 2.0 * 4.2;
-f;
// No errors for the following items because they are constant expressions
enum Foo {
Bar = -2,
}
struct Baz([i32; 1 + 1]);
union Qux {
field: [i32; 1 + 1],
}
type Alias = [i32; 1 + 1];
const FOO: i32 = -2;
static BAR: i32 = -2;
let _: [i32; 1 + 1] = [0, 0];
let _: [i32; 1 + 1] = {
let a: [i32; 1 + 1] = [0, 0];
a
};
trait Trait {
const ASSOC: i32 = 1 + 1;
}
impl Trait for Foo {
const ASSOC: i32 = {
let _: [i32; 1 + 1];
fn foo() {}
1 + 1
};
}
}