glib/glib.go
func (v *Value) GoValue() (interface{}, error) {
	f, err := gValueMarshalers.lookup(v)
	if err != nil {
		return nil, err
	}

	//No need to add finalizer because it is already done by ValueAlloc and ValueInit
	rv, err := f(uintptr(unsafe.Pointer(v.native())))
	return rv, err
}
func (v *Value) GoValue() (interface{}, error) {
	f, err := gValueMarshalers.lookup(v)
	if err != nil {
		return nil, err
	}

	//No need to add finalizer because it is already done by ValueAlloc and ValueInit
	rv, err := f(uintptr(unsafe.Pointer(v.native())))
	return rv, err
}
// GoValue converts a Value to comparable Go type.  GoValue()
// returns a non-nil error if the conversion was unsuccessful.  The
// returned interface{} must be type asserted as the actual Go
// representation of the Value.
//
// This function is a wrapper around the many g_value_get_*()
// functions, depending on the type of the Value.