filter()

Syntax

filter(list, expr)

Filters list elements returning only these that return positive result of the expr. With break and continue statements, the supplied value can be used as a boolean check instead.

filter(range(100), !(_ % 5), _ * _ > 1000); // [0, 5, 10, 15, 20, 25, 30]
map(filter(entity_list('*'), _ == 'Witch'), query(_, 'pos')); // [[1082.5, 57, 1243.5]]