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# std::bitset::size

From cppreference.com
< cpp‎ | utility‎ | bitset

std::size_t size() const; |  | (until C++11)
constexpr std::size_t size(); |  | (since C++11) (until C++14)
constexpr std::size_t size() const; |  | (since C++14)

Returns the number of bits that the bitset can hold.

### [edit] Parameters

(none)

### [edit] Return value

number of bits that the bitset can hold, i.e. the template parameter `N`

### [edit] Exceptions

(none) | (until C++11)
`noexcept` specification: noexcept | (since C++11)

### [edit] See also

count | returns the number of bits set to true (public member function) [edit]

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Category:

- unconditionally noexcept