public ImmutableDoubleFloatMap newWithKeyValue(double key, float value)
{
MutableDoubleFloatMap map = new DoubleFloatHashMap(this.size() + 1);
map.putAll(this);
map.put(key, value);
return map.toImmutable();
}
public ImmutableDoubleFloatMap newWithoutKey(double key)
{
MutableDoubleFloatMap map = new DoubleFloatHashMap(this.size());