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#![feature(if_let_guard)]
#![feature(let_chains)]
#![allow(irrefutable_let_patterns)]
fn same_pattern(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, 2) if let y = x && c => (),
(1, 2) if let z = x => (), //~ ERROR use of moved value: `x`
_ => (),
}
}
fn same_pattern_ok(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, 2) if c && let y = x => (),
(1, 2) if let z = x => (),
_ => (),
}
}
fn different_patterns(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, _) if let y = x && c => (),
(_, 2) if let z = x => (), //~ ERROR use of moved value: `x`
_ => (),
}
}
fn different_patterns_ok(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, _) if c && let y = x => (),
(_, 2) if let z = x => (),
_ => (),
}
}
fn or_pattern(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, _) | (_, 2) if let y = x && c => (), //~ ERROR use of moved value: `x`
_ => (),
}
}
fn or_pattern_ok(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, _) | (_, 2) if c && let y = x => (),
_ => (),
}
}
fn use_in_arm(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, 2) if let y = x && c => false,
_ => { *x == 1 }, //~ ERROR use of moved value: `x`
};
}
fn use_in_arm_ok(c: bool) {
let x: Box<_> = Box::new(1);
let v = (1, 2);
match v {
(1, 2) if c && let y = x => false,
_ => { *x == 1 },
};
}
fn main() {}
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