rust-clippy/tests/compile-fail/eq_op.rs

37 lines
1.2 KiB
Rust
Executable file

#![feature(plugin)]
#![plugin(clippy)]
fn id<X>(x: X) -> X {
x
}
#[deny(eq_op)]
#[allow(identity_op)]
fn main() {
// simple values and comparisons
1 == 1; //~ERROR equal expressions
"no" == "no"; //~ERROR equal expressions
// even though I agree that no means no ;-)
false != false; //~ERROR equal expressions
1.5 < 1.5; //~ERROR equal expressions
1u64 >= 1u64; //~ERROR equal expressions
// casts, methods, parentheses
(1 as u64) & (1 as u64); //~ERROR equal expressions
1 ^ ((((((1)))))); //~ERROR equal expressions
id((1)) | id(1); //~ERROR equal expressions
// unary and binary operators
(-(2) < -(2)); //~ERROR equal expressions
((1 + 1) & (1 + 1) == (1 + 1) & (1 + 1));
//~^ ERROR equal expressions
//~^^ ERROR equal expressions
//~^^^ ERROR equal expressions
(1 * 2) + (3 * 4) == 1 * 2 + 3 * 4; //~ERROR equal expressions
// various other things
([1] != [1]); //~ERROR equal expressions
((1, 2) != (1, 2)); //~ERROR equal expressions
[1].len() == [1].len(); //~ERROR equal expressions
vec![1, 2, 3] == vec![1, 2, 3]; //no error yet, as we don't match macros
}