Calculates the intersection of two values. If the values have a non-empty intersection, the value representing the intersection is placed in dest, unless null. If the intersection is non-empty, dest is not modified.
a uninitialized #GValue that will hold the calculated intersection value. May be null if the resulting set if not needed.
a value to intersect
another value to intersect
true if the intersection is non-empty
Calculates the intersection of two values. If the values have a non-empty intersection, the value representing the intersection is placed in dest, unless null. If the intersection is non-empty, dest is not modified.