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 master branch. The current version is 1.92.0.

results::begin

results::begin

Returns an iterator pointing to the first resultset that this object contains.

Synopsis

results::iterator
begin() const noexcept;

Preconditions

this->has_value() == true

Exception safety

No-throw guarantee.

Object lifetimes

The returned iterator and any reference obtained from it are valid as long as *this is alive. Move operations invalidate iterators.

Complexity

Constant.