62     let xs = ["aaa", "bbbbb", "aa", "ccc", "bbbb", "aaaaa", "cccc"];  in duplicates_by()  localVariable
72     let xs = [0, 1, 2, 3, 2, 1, 3];  in duplicates()  localVariable
79     let xs = [0, 1, 0, 1];  in duplicates()  localVariable
86     let xs = vec![0, 1, 2, 1, 2];  in duplicates()  localVariable
96     let xs = ["aaa", "bbbbb", "aa", "ccc", "bbbb", "aaaaa", "cccc"];  in unique_by()  localVariable
106     let xs = [0, 1, 2, 3, 2, 1, 3];  in unique()  localVariable
113     let xs = [0, 1];  in unique()  localVariable
123     let xs = ["a", "", "b", "c"];  in intersperse()  localVariable
135     let xs = [0, 1, 1, 1, 2, 1, 3, 3];  in dedup()  localVariable
138     let xs = [0, 0, 0, 0, 0];  in dedup()  localVariable
142     let xs = [0, 1, 1, 1, 2, 1, 3, 3];  in dedup()  localVariable
171     let xs = [(0, 0), (0, 1), (1, 1), (2, 1), (0, 2), (3, 1), (0, 3), (1, 3)];  in dedup_by()  localVariable
174     let xs = [(0, 1), (0, 2), (0, 3), (0, 4), (0, 5)];  in dedup_by()  localVariable
178     let xs = [(0, 0), (0, 1), (1, 1), (2, 1), (0, 2), (3, 1), (0, 3), (1, 3)];  in dedup_by()  localVariable
187     let xs: [i32; 8] = [0, 1, 1, 1, 2, 1, 3, 3];  in dedup_with_count()  localVariable
192     let xs: [i32; 5] = [0, 0, 0, 0, 0];  in dedup_with_count()  localVariable
201     let xs = [(0, 0), (0, 1), (1, 1), (2, 1), (0, 2), (3, 1), (0, 3), (1, 3)];  in dedup_by_with_count()  localVariable
206     let xs = [(0, 1), (0, 2), (0, 3), (0, 4), (0, 5)];  in dedup_by_with_count()  localVariable
232     let xs = [0, 1, 1, 1, 2, 1, 3, 3];  in test_put_back_n()  localVariable
243     let xs  = [0, 1, 2, 3];  in tee()  localVariable
270     let xs = [0, 1, 1, 1, 2, 1, 3, 5, 6];  in test_rciter()  localVariable