# count Returns the number of times `test` return `true` in the list. **Since:** 3.3 ## Parameters - `lt` : The list. - `test` : A testing function. ## Examples points = [[7, 2, 2], [1, 1, 2], [3, 4, 2], [3, 4, 2], [1, 2, 3]]; assert(count(points, function(p) norm(p) > 5) == 3);