Luna::Variant::fnum

f64 fnum(f64 default_value=0) const

Gets the data of one number variant as one 64-bit floating-point number.

Parameters

• in default_value

  The optional default number to return.

Return value

Returns the value as one 64-bit floating-point number. If the value is in another number format, it will be converted automatically. Returns default_value if the variant is not a number variant.