findClosestPointWithin without per-call result-wrapper allocation: writes the snapped point into out and returns whether the query succeeded. Identical semantics otherwise (explicit search box, failure reported instead of an unspecified point).
findClosestPointWithin
out
findClosestPointWithinwithout per-call result-wrapper allocation: writes the snapped point intooutand returns whether the query succeeded. Identical semantics otherwise (explicit search box, failure reported instead of an unspecified point).