| //! This module contains the parallel iterator types for B-Tree maps |
| //! (`BTreeMap<K, V>`). You will rarely need to interact with it directly |
| //! unless you have need to name one of the iterator types. |
| |
| use std::collections::BTreeMap; |
| |
| use iter::plumbing::*; |
| use iter::*; |
| |
| use vec; |
| |
| /// Parallel iterator over a B-Tree map |
| #[derive(Debug)] // std doesn't Clone |
| pub struct IntoIter<K: Ord + Send, V: Send> { |
| inner: vec::IntoIter<(K, V)>, |
| } |
| |
| into_par_vec! { |
| BTreeMap<K, V> => IntoIter<K, V>, |
| impl<K: Ord + Send, V: Send> |
| } |
| |
| delegate_iterator! { |
| IntoIter<K, V> => (K, V), |
| impl<K: Ord + Send, V: Send> |
| } |
| |
| /// Parallel iterator over an immutable reference to a B-Tree map |
| #[derive(Debug)] |
| pub struct Iter<'a, K: Ord + Sync + 'a, V: Sync + 'a> { |
| inner: vec::IntoIter<(&'a K, &'a V)>, |
| } |
| |
| impl<'a, K: Ord + Sync, V: Sync> Clone for Iter<'a, K, V> { |
| fn clone(&self) -> Self { |
| Iter { |
| inner: self.inner.clone(), |
| } |
| } |
| } |
| |
| into_par_vec! { |
| &'a BTreeMap<K, V> => Iter<'a, K, V>, |
| impl<'a, K: Ord + Sync, V: Sync> |
| } |
| |
| delegate_iterator! { |
| Iter<'a, K, V> => (&'a K, &'a V), |
| impl<'a, K: Ord + Sync + 'a, V: Sync + 'a> |
| } |
| |
| /// Parallel iterator over a mutable reference to a B-Tree map |
| #[derive(Debug)] |
| pub struct IterMut<'a, K: Ord + Sync + 'a, V: Send + 'a> { |
| inner: vec::IntoIter<(&'a K, &'a mut V)>, |
| } |
| |
| into_par_vec! { |
| &'a mut BTreeMap<K, V> => IterMut<'a, K, V>, |
| impl<'a, K: Ord + Sync, V: Send> |
| } |
| |
| delegate_iterator! { |
| IterMut<'a, K, V> => (&'a K, &'a mut V), |
| impl<'a, K: Ord + Sync + 'a, V: Send + 'a> |
| } |