set-diff.md

set-diff

This function returns the difference between two sets.

Examples

All of the examples assume that $set is a set with {"a", "b", "c"}.

• (set-diff $set (new-set)) ➜ set{"a", "b", "c"}
• (set-diff $set (new-set "b")) ➜ set{"a", "c"}
• (set-diff $set (new-set "d")) ➜ set{"a", "b", "c"}

Forms

(set-diff base:set other:set) ➜ set

This form returns base - other, i.a. a new set that contains all values that are not part of the other set.