asInt64() [Variant class]

Returns a reference to the value contained in this variant as an int64_t. This can be used to modify the value of the variant.

int64_t& asInt64();

This method will convert the type of the variant to int64_t if necessary, see toInt64 for more information. If the conversion is not possible, the method will cause a compilation error.

See value, as, and to for when to use the asXXX() vs. other accessors.