std::initializer_list::size

size_type size() const;		(since C++11) (until C++14)
constexpr size_type size() const;		(since C++14)

Returns the number of elements in the initializer list, i.e. std::distance(begin(), end()).

Language
Standard library headers
Concepts
Utilities library
Strings library
Containers library
Algorithms library
Iterators library
Numerics library
Input/output library
Localizations library
Regular expressions library (C++11)
Atomic operations library (C++11)
Thread support library (C++11)
Technical Specifications

Type support (basic types, RTTI, type traits)
Dynamic memory management
Error handling
Program utilities
Variadic functions
Date and time
Function objects
initializer_list (C++11)
bitset
hash (C++11)
Relational operators
rel_ops::operator!=rel_ops::operator>rel_ops::operator<=rel_ops::operator>=
Pairs and tuples
pair
tuple (C++11)
piecewise_construct_t (C++11)
piecewise_construct (C++11)
integer_sequence (C++14)
Swap, forward and move
swap
exchange (C++14)
forward (C++11)
move (C++11)
move_if_noexcept (C++11)
declval (C++11)

Member functions
initializer_list::initializer_list
Capacity
initializer_list::size
Iterators
initializer_list::begin
initializer_list::end
Non-member functions
std::begin
std::end
std::rbegin (C++14)
std::rend (C++14)

Contents