■ 中間処理

S (とてもよく使う)

A (よく使う)

• sorted
• unique

B (たまに使う)

• combinations
• multi_cartesian_product
• permutations
• powerset
• positions
• dedup_with_count

C (まれに使う)

• dedup
• circular_tuple_windows
• combinations_with_replacement
• dropping
• dropping_back
• find_position
• intersperse