rust/tests/ui/double_ended_iterator_last_unfixable.rs
2025-02-28 23:27:09 +01:00

23 lines
687 B
Rust

//@no-rustfix
#![warn(clippy::double_ended_iterator_last)]
fn main() {
let mut index = [true, true, false, false, false, true].iter();
let subindex = (index.by_ref().take(3), 42);
let _ = subindex.0.last(); //~ ERROR: called `Iterator::last` on a `DoubleEndedIterator`
}
fn drop_order() {
struct S(&'static str);
impl std::ops::Drop for S {
fn drop(&mut self) {
println!("Dropping {}", self.0);
}
}
let v = vec![S("one"), S("two"), S("three")];
let v = (v.into_iter(), 42);
println!("Last element is {}", v.0.last().unwrap().0);
//~^ ERROR: called `Iterator::last` on a `DoubleEndedIterator`
println!("Done");
}