26 lines
798 B
Rust
26 lines
798 B
Rust
//@no-rustfix
|
|
#![warn(clippy::double_ended_iterator_last)]
|
|
|
|
// Should not be linted because applying the lint would move the original iterator. This can only be
|
|
// linted if the iterator is used thereafter.
|
|
fn main() {
|
|
let mut index = [true, true, false, false, false, true].iter();
|
|
let subindex = (index.by_ref().take(3), 42);
|
|
let _ = subindex.0.last();
|
|
let _ = index.next();
|
|
}
|
|
|
|
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");
|
|
}
|