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// This test ensures that no suggestion is emitted if the span originates from
// an expansion that is probably not under a user's control.
//@ edition:2021
//@ compile-flags: -Z unstable-options
#![deny(if_let_rescope)]
#![allow(irrefutable_let_patterns)]
macro_rules! edition_2021_if_let {
($p:pat, $e:expr, { $($conseq:tt)* } { $($alt:tt)* }) => {
if let $p = $e { $($conseq)* } else { $($alt)* }
//~^ ERROR `if let` assigns a shorter lifetime since Edition 2024
//~| WARN this changes meaning in Rust 2024
}
}
fn droppy() -> Droppy {
Droppy
}
struct Droppy;
impl Drop for Droppy {
fn drop(&mut self) {
println!("dropped");
}
}
impl Droppy {
fn get(&self) -> Option<u8> {
None
}
}
fn main() {
edition_2021_if_let! {
Some(_value),
droppy().get(),
{}
{}
};
}
|
