error[E0277]: an array of type `[u32; 10]` cannot be built directly from an iterator --> $DIR/collect-into-array.rs:2:39 | LL | let whatever: [u32; 10] = (0..10).collect(); | ^^^^^^^ try collecting into a `Vec<{integer}>`, then using `.try_into()` | = help: the trait `FromIterator<{integer}>` is not implemented for `[u32; 10]` note: required by a bound in `collect` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.