Returns a seq which contains the distinct elements of this seq, based on the given functions.
This is a stateful intermediate operation.
| hash |
a non-interfering and stateless hash function. if not specified, Gee.Functions.get_hash_func_for is used to get a proper function |
| equal |
a non-interfering and stateless equal function. if not specified, Gee.Functions.get_equal_func_for is used to get a proper function |
|
the new seq |