value::get_double
Return a reference to the underlying double
, without checking.
Synopsis
double&
get_double() noexcept; (1)
double
get_double() const noexcept; (2)
Description
This is the fastest way to access the underlying representation when the kind is known in advance.
Preconditions
this->is_double()
Complexity
Constant.
Exception Safety
No-throw guarantee.