rust/tests/ui/eq_op.rs

77 lines
1.6 KiB
Rust
Raw Normal View History

#[rustfmt::skip]
2018-07-28 17:34:52 +02:00
#[warn(clippy::eq_op)]
#[allow(clippy::identity_op, clippy::double_parens, clippy::many_single_char_names)]
#[allow(clippy::no_effect, unused_variables, clippy::unnecessary_operation, clippy::short_circuit_statement)]
#[warn(clippy::nonminimal_bool)]
2019-09-20 07:54:16 +02:00
#[allow(unused)]
fn main() {
// simple values and comparisons
2017-02-08 14:58:07 +01:00
1 == 1;
"no" == "no";
// even though I agree that no means no ;-)
2017-02-08 14:58:07 +01:00
false != false;
1.5 < 1.5;
1u64 >= 1u64;
// casts, methods, parentheses
2017-02-08 14:58:07 +01:00
(1 as u64) & (1 as u64);
1 ^ ((((((1))))));
// unary and binary operators
2017-02-08 14:58:07 +01:00
(-(2) < -(2));
((1 + 1) & (1 + 1) == (1 + 1) & (1 + 1));
2017-02-08 14:58:07 +01:00
(1 * 2) + (3 * 4) == 1 * 2 + 3 * 4;
// various other things
2017-02-08 14:58:07 +01:00
([1] != [1]);
((1, 2) != (1, 2));
vec![1, 2, 3] == vec![1, 2, 3]; //no error yet, as we don't match macros
2015-08-21 12:26:03 +02:00
// const folding
2017-02-08 14:58:07 +01:00
1 + 1 == 2;
1 - 1 == 0;
1 - 1;
1 / 1;
true && true;
true || true;
2016-02-03 20:42:05 +01:00
2016-01-30 20:10:14 +01:00
let a: u32 = 0;
let b: u32 = 0;
2017-02-08 14:58:07 +01:00
a == b && b == a;
a != b && b != a;
a < b && b > a;
a <= b && b >= a;
2016-01-30 20:10:14 +01:00
let mut a = vec![1];
2017-02-08 14:58:07 +01:00
a == a;
2016-01-30 20:10:14 +01:00
2*a.len() == 2*a.len(); // ok, functions
a.pop() == a.pop(); // ok, functions
2017-04-28 17:07:39 +02:00
check_ignore_macro();
// named constants
const A: u32 = 10;
const B: u32 = 10;
const C: u32 = A / B; // ok, different named constants
const D: u32 = A / A;
}
#[rustfmt::skip]
macro_rules! check_if_named_foo {
($expression:expr) => (
if stringify!($expression) == "foo" {
println!("foo!");
} else {
println!("not foo.");
}
)
}
fn check_ignore_macro() {
check_if_named_foo!(foo);
}