rust-clippy/tests/ui/bool_to_int_with_if.rs

150 lines
1.9 KiB
Rust

#![feature(let_chains, inline_const)]
#![warn(clippy::bool_to_int_with_if)]
#![allow(unused, dead_code, clippy::unnecessary_operation, clippy::no_effect)]
fn main() {
let a = true;
let b = false;
let x = 1;
let y = 2;
// Should lint
// precedence
if a {
1
} else {
0
};
if a {
0
} else {
1
};
if !a {
1
} else {
0
};
if a || b {
1
} else {
0
};
if cond(a, b) {
1
} else {
0
};
if x + y < 4 {
1
} else {
0
};
// if else if
if a {
123
} else if b {
1
} else {
0
};
// if else if inverted
if a {
123
} else if b {
0
} else {
1
};
// Shouldn't lint
if a {
1
} else if b {
0
} else {
3
};
if a {
3
} else if b {
1
} else {
-2
};
if a {
3
} else {
0
};
if a {
side_effect();
1
} else {
0
};
if a {
1
} else {
side_effect();
0
};
// multiple else ifs
if a {
123
} else if b {
1
} else if a | b {
0
} else {
123
};
pub const SHOULD_NOT_LINT: usize = if true { 1 } else { 0 };
// https://github.com/rust-lang/rust-clippy/issues/10452
let should_not_lint = [(); if true { 1 } else { 0 }];
let should_not_lint = const { if true { 1 } else { 0 } };
some_fn(a);
}
// Lint returns and type inference
fn some_fn(a: bool) -> u8 {
if a { 1 } else { 0 }
}
fn side_effect() {}
fn cond(a: bool, b: bool) -> bool {
a || b
}
enum Enum {
A,
B,
}
fn if_let(a: Enum, b: Enum) {
if let Enum::A = a {
1
} else {
0
};
if let Enum::A = a
&& let Enum::B = b
{
1
} else {
0
};
}