error[E0599]: no method named `iter` found for struct `Iterate` in the current scope --> $DIR/issue-41880.rs:27:24 | LL | pub struct Iterate { | ------------------------ method `iter` not found for this struct ... LL | println!("{:?}", a.iter().take(10).collect::>()); | ^^^^ method not found in `Iterate<{integer}, {closure@issue-41880.rs:26:24}>` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0599`.