1 2 3 4 5 6
list_list = [for i in [1, 2, 3] : (3 - i)] list_map = {for j in ["a", "b", "c"] : j => true} map_map = {for k, v in { a = "aa", b = "bb" } : v => k} map_list = [for k, v in { a = "aa", b = "bb" } : k] with_ref = [for v in ref : v] ref = [1, 2, 3]