error[E0433]: failed to resolve: could not find `hahmap` in `std` --> $DIR/missing-in-namespace.rs:2:21 | LL | let _map = std::hahmap::HashMap::new(); | ^^^^^^ could not find `hahmap` in `std` | help: consider importing this struct | LL + use std::collections::HashMap; | help: if you import `HashMap`, refer to it directly | LL - let _map = std::hahmap::HashMap::new(); LL + let _map = HashMap::new(); | error: aborting due to previous error For more information about this error, try `rustc --explain E0433`.