[utilities.general]

This Clause describes utilities that are generally useful in C++ programs; some of these utilities are used by other elements of the C++ standard library.

These utilities are summarized in Table 66 .

Table 66 — General utilities library summary [tab:utilities.summary]

🔗	Subclause	Header
🔗 [utility]	Utility components	<utility>
🔗 [pairs]	Pairs
🔗 [tuple]	Tuples	<tuple>
🔗 [optional]	Optional objects	<optional>
🔗 [variant]	Variants	<variant>
🔗 [any]	Storage for any type	<any>
🔗 [expected]	Expected objects	<expected>
🔗 [bitset]	Fixed-size sequences of bits	<bitset>
🔗 [function.objects]	Function objects	<functional>
🔗 [bit]	Bit manipulation	<bit>