error[E0627]: yield expression outside of coroutine literal --> $DIR/yield-outside-generator-issue-78653.rs:4:5 | LL | yield || for i in 0 { } | ^^^^^^^^^^^^^^^^^^^^^^^ error[E0277]: `{integer}` is not an iterator --> $DIR/yield-outside-generator-issue-78653.rs:4:23 | LL | yield || for i in 0 { } | ^ `{integer}` is not an iterator | = help: the trait `Iterator` is not implemented for `{integer}` = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end` = note: required for `{integer}` to implement `IntoIterator` error: aborting due to 2 previous errors Some errors have detailed explanations: E0277, E0627. For more information about an error, try `rustc --explain E0277`.