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rust-clippy/tests/ui/if_same_then_else.rs

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#![warn(clippy::if_same_then_else)]
#![allow(
clippy::blacklisted_name,
clippy::eq_op,
clippy::never_loop,
clippy::no_effect,
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clippy::unused_unit,
clippy::zero_divided_by_zero
)]
struct Foo {
bar: u8,
}
fn foo() -> bool {
unimplemented!()
}
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fn if_same_then_else() {
if true {
Foo { bar: 42 };
0..10;
..;
0..;
..10;
0..=10;
foo();
} else {
//~ ERROR same body as `if` block
Foo { bar: 42 };
0..10;
..;
0..;
..10;
0..=10;
foo();
}
if true {
Foo { bar: 42 };
} else {
Foo { bar: 43 };
}
if true {
();
} else {
()
}
if true {
0..10;
} else {
0..=10;
}
if true {
foo();
foo();
} else {
foo();
}
let _ = if true {
0.0
} else {
//~ ERROR same body as `if` block
0.0
};
let _ = if true {
-0.0
} else {
//~ ERROR same body as `if` block
-0.0
};
let _ = if true { 0.0 } else { -0.0 };
// Different NaNs
let _ = if true { 0.0 / 0.0 } else { std::f32::NAN };
if true {
foo();
}
let _ = if true {
42
} else {
//~ ERROR same body as `if` block
42
};
if true {
let bar = if true { 42 } else { 43 };
while foo() {
break;
}
bar + 1;
} else {
//~ ERROR same body as `if` block
let bar = if true { 42 } else { 43 };
while foo() {
break;
}
bar + 1;
}
if true {
let _ = match 42 {
42 => 1,
a if a > 0 => 2,
10..=15 => 3,
_ => 4,
};
} else if false {
foo();
} else if foo() {
let _ = match 42 {
42 => 1,
a if a > 0 => 2,
10..=15 => 3,
_ => 4,
};
}
}
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// Issue #2423. This was causing an ICE.
fn func() {
if true {
f(&[0; 62]);
f(&[0; 4]);
f(&[0; 3]);
} else {
f(&[0; 62]);
f(&[0; 6]);
f(&[0; 6]);
}
}
fn f(val: &[u8]) {}
fn main() {}