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//@run-rustfix
//@aux-build:proc_macros.rs:proc-macro
#![feature(if_let_guard)]
#![allow(clippy::no_effect, unused)]
#![warn(clippy::redundant_guards)]
#[macro_use]
extern crate proc_macros;
struct A(u32);
struct B {
e: Option<A>,
}
struct C(u32, u32);
#[derive(PartialEq)]
struct FloatWrapper(f32);
fn issue11304() {
match 0.1 {
x if x == 0.0 => todo!(),
_ => todo!(),
}
match FloatWrapper(0.1) {
x if x == FloatWrapper(0.0) => todo!(),
_ => todo!(),
}
}
fn main() {
let c = C(1, 2);
match c {
C(x, y) if let 1 = y => ..,
_ => todo!(),
};
let x = Some(Some(1));
match x {
Some(x) if matches!(x, Some(1) if true) => ..,
Some(x) if matches!(x, Some(1)) => {
println!("a");
..
},
Some(x) if let Some(1) = x => ..,
Some(x) if x == Some(2) => ..,
// Don't lint, since x is used in the body
Some(x) if let Some(1) = x => {
x;
..
}
_ => todo!(),
};
let y = 1;
match x {
// Don't inline these, since y is not from the pat
Some(x) if matches!(y, 1 if true) => ..,
Some(x) if let 1 = y => ..,
Some(x) if y == 2 => ..,
_ => todo!(),
};
let a = A(1);
match a {
_ if a.0 == 1 => {},
_ => todo!(),
}
let b = B { e: Some(A(0)) };
match b {
B { e } if matches!(e, Some(A(2))) => ..,
_ => todo!(),
};
// Do not lint, since we cannot represent this as a pattern (at least, without a conversion)
let v = Some(vec![1u8, 2, 3]);
match v {
Some(x) if x == [1] => {},
_ => {},
}
external! {
let x = Some(Some(1));
match x {
Some(x) if let Some(1) = x => ..,
_ => todo!(),
};
}
with_span! {
span
let x = Some(Some(1));
match x {
Some(x) if let Some(1) = x => ..,
_ => todo!(),
};
}
}
enum E {
A(&'static str),
B(&'static str),
C(&'static str),
}
fn i() {
match E::A("") {
// Do not lint
E::A(x) | E::B(x) | E::C(x) if x == "from an or pattern" => {},
E::A(y) if y == "not from an or pattern" => {},
_ => {},
};
}
fn h(v: Option<u32>) {
match v {
x if matches!(x, Some(0)) => ..,
_ => ..,
};
}
// Do not lint
fn f(s: Option<std::ffi::OsString>) {
match s {
Some(x) if x == "a" => {},
_ => {},
}
}
struct S {
a: usize,
}
impl PartialEq for S {
fn eq(&self, _: &Self) -> bool {
true
}
}
impl Eq for S {}
static CONST_S: S = S { a: 1 };
fn g(opt_s: Option<S>) {
match opt_s {
Some(x) if x == CONST_S => {},
_ => {},
}
}
|
