set.retain_all_copy

Returns a new set whose elements are those found in both this set and the given collection, or in other words, the intersection of this set and the given collection.

Parameters

• values — the other collection

Returns

a new set whose elements are the intersection of this set and the given collection

a.retain_all_copy(b) is equivalent to a & b, where a and b are sets.

Examples:

• set([1]).retain_all_copy(set([1])) returns set([1])
• set([1]).retain_all_copy(set([2])) returns set([])
• set([1, 2, 3]).retain_all_copy(set([2, 3, 4])) returns set([2, 3])

Since

0.14.16