Eroare de compilare: error[E0433]: failed to resolve: use of undeclared crate or module `rayon` --> main.rs:1:5 | 1 | use rayon::prelude::*; | ^^^^^ use of undeclared crate or module `rayon` error[E0599]: no method named `into_par_iter` found for struct `RangeInclusive` in the current scope --> main.rs:30:32 | 30 | let count: usize = (a..=b).into_par_iter().filter(|&n| is_blana(n)).count(); | ^^^^^^^^^^^^^ method not found in `RangeInclusive<u64>` error: aborting due to 2 previous errors Some errors have detailed explanations: E0433, E0599. For more information about an error, try `rustc --explain E0433`. Non zero exit status: 1