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#![feature(box_patterns)]
#![warn(clippy::unnested_or_patterns)]
#![allow(
clippy::cognitive_complexity,
clippy::match_ref_pats,
clippy::upper_case_acronyms,
clippy::needless_if,
clippy::manual_range_patterns
)]
#![allow(unreachable_patterns, irrefutable_let_patterns, unused)]
struct S {
x: u8,
y: u8,
}
fn main() {
// Should be ignored by this lint, as nesting requires more characters.
if let &0 | &2 = &0 {}
if let box (0 | 2) = Box::new(0) {}
//~^ unnested_or_patterns
if let box (0 | 1 | 2 | 3 | 4) = Box::new(0) {}
//~^ unnested_or_patterns
const C0: Option<u8> = Some(1);
if let Some(1 | 2) | C0 = None {}
//~^ unnested_or_patterns
if let &mut (0 | 2) = &mut 0 {}
//~^ unnested_or_patterns
if let x @ (0 | 2) = 0 {}
//~^ unnested_or_patterns
if let (0, 1 | 2 | 3) = (0, 0) {}
//~^ unnested_or_patterns
if let (1 | 2 | 3, 0) = (0, 0) {}
//~^ unnested_or_patterns
if let (x, ..) | (x, 1 | 2) = (0, 1) {}
//~^ unnested_or_patterns
if let [0 | 1] = [0] {}
//~^ unnested_or_patterns
if let [x, 0 | 1] = [0, 1] {}
//~^ unnested_or_patterns
if let [x, 0 | 1 | 2] = [0, 1] {}
//~^ unnested_or_patterns
if let [x, ..] | [x, 1 | 2] = [0, 1] {}
//~^ unnested_or_patterns
struct TS(u8, u8);
if let TS(0 | 1, x) = TS(0, 0) {}
//~^ unnested_or_patterns
if let TS(1 | 2 | 3, 0) = TS(0, 0) {}
//~^ unnested_or_patterns
if let TS(x, ..) | TS(x, 1 | 2) = TS(0, 0) {}
//~^ unnested_or_patterns
if let S { x: 0 | 1, y } = (S { x: 0, y: 1 }) {}
//~^ unnested_or_patterns
if let S { x: 0, y, .. } | S { y, x: 1 } = (S { x: 0, y: 1 }) {}
}
#[clippy::msrv = "1.52"]
fn msrv_1_52() {
if let [1] | [52] = [0] {}
}
#[clippy::msrv = "1.53"]
fn msrv_1_53() {
if let [1 | 53] = [0] {}
//~^ unnested_or_patterns
}
mod issue9952 {
fn or_in_local() {
let (0 | 1 | _) = 0;
//~^ unnested_or_patterns
if let (0 | 1 | _) = 0 {}
//~^ unnested_or_patterns
}
fn or_in_param((x | x | x): i32) {}
//~^ unnested_or_patterns
}
fn issue15219() {
struct Foo {
x: u8,
}
// the original repro
if let Foo { x } | Foo { x } = (Foo { x: 0 }) {}
// also works with more fields
if let S { x, y } | S { x, y } = (S { x: 0, y: 0 }) {}
// `y` not triggering the lint doesn't stop the `x` from getting flagged
if let S { y, x: 0 | 1 } = (S { x: 0, y: 1 }) {}
//~^ unnested_or_patterns
}
|
