std::ranges::subrange<I,S,K>::begin

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< cpp‎ | ranges‎ | subrange
Ranges library
Range adaptors
constexpr I begin( ) const requires std::copyable <I> ;
(1) (since C++20)
constexpr I begin( ) requires ( ! std::copyable <I> ) ;
(2) (since C++20)

Obtains the iterator to the beginning of the subrange.

range-begin-end.svg

Return value

1) begin_.
2) std::move( begin_ )

Example

See also

obtains the sentinel
(public member function)
(C++11)(C++14)
returns an iterator to the beginning of a container or array
(function template)
(C++20)
returns an iterator to the beginning of a range
(customization point object)