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|
// run-rustfix
#![warn(clippy::all)]
#![allow(
clippy::blacklisted_name,
clippy::no_effect,
clippy::redundant_clone,
redundant_semicolons,
unused_assignments
)]
struct Foo(u32);
#[derive(Clone)]
struct Bar {
a: u32,
b: u32,
}
fn field() {
let mut bar = Bar { a: 1, b: 2 };
let temp = bar.a;
bar.a = bar.b;
bar.b = temp;
let mut baz = vec![bar.clone(), bar.clone()];
let temp = baz[0].a;
baz[0].a = baz[1].a;
baz[1].a = temp;
}
fn array() {
let mut foo = [1, 2];
foo.swap(0, 1);
foo.swap(0, 1);
}
fn slice() {
let foo = &mut [1, 2];
foo.swap(0, 1);
foo.swap(0, 1);
}
fn unswappable_slice() {
let foo = &mut [vec![1, 2], vec![3, 4]];
let temp = foo[0][1];
foo[0][1] = foo[1][0];
foo[1][0] = temp;
// swap(foo[0][1], foo[1][0]) would fail
}
fn vec() {
let mut foo = vec![1, 2];
foo.swap(0, 1);
foo.swap(0, 1);
}
#[rustfmt::skip]
fn main() {
field();
array();
slice();
unswappable_slice();
vec();
let mut a = 42;
let mut b = 1337;
std::mem::swap(&mut a, &mut b);
; std::mem::swap(&mut a, &mut b);
let mut c = Foo(42);
std::mem::swap(&mut c.0, &mut a);
; std::mem::swap(&mut c.0, &mut a);
}
|
