64     let xs = ["aaa", "bbbbb", "aa", "ccc", "bbbb", "aaaaa", "cccc"];  in duplicates_by()  localVariable
74     let xs = [0, 1, 2, 3, 2, 1, 3];  in duplicates()  localVariable
81     let xs = [0, 1, 0, 1];  in duplicates()  localVariable
88     let xs = vec![0, 1, 2, 1, 2];  in duplicates()  localVariable
98     let xs = ["aaa", "bbbbb", "aa", "ccc", "bbbb", "aaaaa", "cccc"];  in unique_by()  localVariable
108     let xs = [0, 1, 2, 3, 2, 1, 3];  in unique()  localVariable
115     let xs = [0, 1];  in unique()  localVariable
125     let xs = ["a", "", "b", "c"];  in intersperse()  localVariable
137     let xs = [0, 1, 1, 1, 2, 1, 3, 3];  in dedup()  localVariable
140     let xs = [0, 0, 0, 0, 0];  in dedup()  localVariable
144     let xs = [0, 1, 1, 1, 2, 1, 3, 3];  in dedup()  localVariable
173     let xs = [(0, 0), (0, 1), (1, 1), (2, 1), (0, 2), (3, 1), (0, 3), (1, 3)];  in dedup_by()  localVariable
176     let xs = [(0, 1), (0, 2), (0, 3), (0, 4), (0, 5)];  in dedup_by()  localVariable
180     let xs = [(0, 0), (0, 1), (1, 1), (2, 1), (0, 2), (3, 1), (0, 3), (1, 3)];  in dedup_by()  localVariable
189     let xs: [i32; 8] = [0, 1, 1, 1, 2, 1, 3, 3];  in dedup_with_count()  localVariable
194     let xs: [i32; 5] = [0, 0, 0, 0, 0];  in dedup_with_count()  localVariable
203     let xs = [(0, 0), (0, 1), (1, 1), (2, 1), (0, 2), (3, 1), (0, 3), (1, 3)];  in dedup_by_with_count()  localVariable
208     let xs = [(0, 1), (0, 2), (0, 3), (0, 4), (0, 5)];  in dedup_by_with_count()  localVariable
234     let xs = [0, 1, 1, 1, 2, 1, 3, 3];  in test_put_back_n()  localVariable
245     let xs  = [0, 1, 2, 3];  in tee()  localVariable
272     let xs = [0, 1, 1, 1, 2, 1, 3, 5, 6];  in test_rciter()  localVariable