Trait multi_mut::BTreeMapMultiMut [−] [src]

pub trait BTreeMapMultiMut {
    type Value;
    type Key: Ord;
    fn get_pair_mut<Q: ?Sized>(&mut self,
                               k_1: &Q,
                               k_2: &Q)
                               -> Option<(&mut Self::Value, &mut Self::Value)> where Self::Key: Borrow<Q>, Q: Ord;
    fn pair_mut<Q: ?Sized>(&mut self,
                           k_1: &Q,
                           k_2: &Q)
                           -> (&mut Self::Value, &mut Self::Value) where Self::Key: Borrow<Q>, Q: Ord;
    fn get_triple_mut<Q: ?Sized>(&mut self,
                                 k_1: &Q,
                                 k_2: &Q,
                                 k_3: &Q)
                                 -> Option<(&mut Self::Value, &mut Self::Value, &mut Self::Value)> where Self::Key: Borrow<Q>, Q: Ord;
    fn triple_mut<Q: ?Sized>(&mut self,
                             k_1: &Q,
                             k_2: &Q,
                             k_3: &Q)
                             -> (&mut Self::Value, &mut Self::Value, &mut Self::Value) where Self::Key: Borrow<Q>, Q: Ord;
    fn multi_mut<'a>(&'a mut self,
                     buffer: &'a mut [*const Self::Value])
                     -> BTreeMapMutWrapper<Self::Key, Self::Value>;
    fn iter_multi_mut<'a, Q: ?Sized>(&'a mut self,
                                     k: &'a [&'a Q],
                                     buffer: &'a mut [*const Self::Value])
                                     -> BTreeMapMultiMutIter<Q, Self::Key, Self::Value> where Self::Key: Borrow<Q>, Q: Ord;
}

Endows HashMap with extension methods that help getting multiple mutable references to the values contained in it. Runtime-checking is done to ensure that this is safe: the returned mutable references are guaranteed not to alias.

Associated Types

Required Methods

Implementors