Get the difference between the first set and the second.
Get the difference between the first set and the second. Keeps values that do not appear in the second set.
Create an empty set.
Create an empty set.
Only keep elements that pass the given test.
Fold over the values in a set, in order from left to right.
Fold over the values in a set, in order from right to left.
Convert a list into a set, removing any duplicates.
Convert a list into a set, removing any duplicates.
Insert a value into a set.
Insert a value into a set.
Get the intersection of two sets.
Get the intersection of two sets. Keep all the values.
Determine if a set is empty.
Determine if a set is empty.
Map a function onto a set, creating a new set with no duplicates.
Map a function onto a set, creating a new set with no duplicates.
Determine if a value is in a set.
Determine if a value is in a set.
Create tow new sets.
Create tow new sets. The first contains all the elements that passed the given test, and the second contains all the elements that did not.
Remove a value from a set.
Remove a value from a set. If the value is not found, no changes are made.
Create a set with one value.
Create a set with one value.
Determine the number of elements in a set.
Convert a set into a list, sorted from lowest to highest.
Get the union of two sets.
Get the union of two sets. Keep all values.