Std.IntMap.union
1 declaration
fn
union: &Std.IntMap.IntMap[V] -> &Std.IntMap.IntMap[V] -> Std.IntMap.IntMap[V]This is a callable function.
What it does
Computes the union of two maps, preferring values in left on duplicate keys.
Read the signature
- The text after the name is the type checked by Pudu.
- Read arrows from left to right: inputs come first, and the final type is returned.
- & borrows a value for this call instead of moving or copying it.
- Names inside [ ] are type arguments, such as the item type held by a collection.