Trait eclectic::map::Get [−] [src]

pub trait Get<Q: ?Sized = Self::Key>: Map {
    fn get(&self, key: &Q) -> Option<&Self::Value>;
    fn get_mut(&mut self, key: &Q) -> Option<&mut Self::Value>;

    fn contains_key(&self, key: &Q) -> bool { ... }
}

A map that supports retrievals using keys of type &Q.

Required Methods

fn get(&self, key: &Q) -> Option<&Self::Value>

Returns a reference to the value of the key in the map that is equivalent to the given key.

Returns None if the map contains no such key.

fn get_mut(&mut self, key: &Q) -> Option<&mut Self::Value>

Returns a mutable reference to the value of the key in the map that is equivalent to the given key.

Returns None if the map contains no such key.

Provided Methods

fn contains_key(&self, key: &Q) -> bool

Checks if the map contains a key that is equivalent to the given key.

This is equivalent to self.get(key).is_some(), but may be optimized.

Implementors