Boost C++ Libraries

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value::as_int64 (1 of 2 overloads)

Return a reference to the underlying std::int64_t, or throw an exception.

Synopsis
std::int64_t&
as_int64();
Description

If is_int64() is true, returns a reference to the underlying std::int64_t, otherwise throws an exception.

Complexity

Constant.

Exception Safety

Strong guarantee.

Exceptions

Type

Thrown On

system_error

! this->is_int64()


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