Function protobuf::rt::read_map_into

pub fn read_map_into<K, V>(wire_type: WireType,
                           is: &mut CodedInputStream,
                           target: &mut HashMap<K::Value, V::Value>)
                           -> ProtobufResult<()> where K: ProtobufType, V: ProtobufType, K::Value: Eq + Hash