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
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
Returns true if this is a number.
bool is_number() const noexcept;
This function returns true
when kind() is one of the following values:
kind::int64, kind::uint64,
or kind::double_.
Constant.
No-throw guarantee.