value::get_int64
Return a reference to the underlying std::int64_t, without checking.
Synopsis
std::int64_t&
get_int64() noexcept; (1)
std::int64_t
get_int64() const noexcept; (2)Description
This is the fastest way to access the underlying representation when the kind is known in advance.
Preconditions
this->is_int64()Complexity
Constant.
Exception Safety
No-throw guarantee.