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|
//@ check-pass
fn main() {
def();
_ = question_mark();
}
fn def() {
//~^ warn: this function depends on never type fallback being `()`
//~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
match true {
false => <_>::default(),
true => return,
};
}
// <https://github.com/rust-lang/rust/issues/51125>
// <https://github.com/rust-lang/rust/issues/39216>
fn question_mark() -> Result<(), ()> {
//~^ warn: this function depends on never type fallback being `()`
//~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
deserialize()?;
Ok(())
}
fn deserialize<T: Default>() -> Result<T, ()> {
Ok(T::default())
}
|
