Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This version of Boost is under active development. You are currently in the develop branch. The current version is 1.91.0.
The type of range produced by sequence.
Defined in header <boost/mysql/sequence.hpp>
template< class T> using sequence_range_t = see-below;
This type trait can be used to obtain the range type produced by calling
sequence.
This type is used as the Range
template parameter in format_sequence.
By default, sequence copies its input range,
unless using std::ref. C arrays are copied into std::array
objects. This type trait accounts these transformations.
Formally, given the input range type T
(which can be a reference with cv-qualifiers):
T is a C array or
a reference to one (as per std::is_array),
and the array elements' type is U,
yields std::array<std::remove_cv_t<U>, N>.
T is a std::reference_wrapper<U>
object, or a reference to one, yields U&.
std::remove_cvref_t<T>.
Examples:
sequence_range_t<const std::vector<int>&> is std::vector<int>.
sequence_range_t<std::reference_wrapper<std::vector<int>>>
is std::vector<int>&.
sequence_range_t<std::reference_wrapper<const std::vector<int>>> is const
std::vector<int>&.
sequence_range_t<int(&)[4]>
is std::array<int, 4>.
Convenience header <boost/mysql.hpp>