dotSCAD/docs/lib3x-hashset_add.md

hashset_add

This function adds an element to a util/set/hashset. It returns a new set containing the added element.

Since: 3.0

Parameters

• set : The original set.
• elem : Adds the specified element to the specified set.
• eq : A equality function. If it's ignored, use == to compare elements.
• hash : A hash function. If it's ignored, convert each element to a string and hash it.

Examples

use <util/set/hashset.scad>;
use <util/set/hashset_add.scad>;
use <util/set/hashset_has.scad>;

s1 = hashset([1, 2, 3, 4, 5]);
s2 = hashset_add(s1, 9);
assert(hashset_has(s2, 9));