rust/tests/ui/swap.rs
Shotaro Yamada 555f5a49a2 Test fixes
2019-10-03 08:10:29 +09:00

84 lines
1.1 KiB
Rust

#![warn(clippy::all)]
#![allow(
clippy::blacklisted_name,
clippy::no_effect,
clippy::redundant_clone,
redundant_semicolon,
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];
let temp = foo[0];
foo[0] = foo[1];
foo[1] = temp;
foo.swap(0, 1);
}
fn slice() {
let foo = &mut [1, 2];
let temp = foo[0];
foo[0] = foo[1];
foo[1] = temp;
foo.swap(0, 1);
}
fn vec() {
let mut foo = vec![1, 2];
let temp = foo[0];
foo[0] = foo[1];
foo[1] = temp;
foo.swap(0, 1);
}
#[rustfmt::skip]
fn main() {
field();
array();
slice();
vec();
let mut a = 42;
let mut b = 1337;
a = b;
b = a;
; let t = a;
a = b;
b = t;
let mut c = Foo(42);
c.0 = a;
a = c.0;
; let t = c.0;
c.0 = a;
a = t;
}