cpp/ranges/split view/begin

Returns an to the first found subrange.

In order to provide the amortized constant time complexity required by the concept, this function caches the result within the  for use on subsequent calls. Equivalent to

Exposition only data members cpp/ranges/split_view and cpp/ranges/split_view are described here.

Parameters
(none)

Return value
An.

Complexity
Amortized.