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 is the documentation for a snapshot of the develop branch, built from commit 2daa88693b.

results::empty

Returns whether the collection contains any resultset.

Synopsis

bool
empty() const noexcept;

Description

This function is provided for compatibility with standard collections, and always returns false, since any valid results contains at least one resultset.

Preconditions

this->has_value() == true

Exception safety

No-throw guarantee.

Complexity

Constant.