func (val_ *Value) IsExternal() bool { return val_.hasJsType(isExternal, func(self unsafe.Pointer) bool { return C.V8_Value_IsExternal(self) == 1 }) }
func (v *Value) IsExternal() bool { return v.checkJsType(isExternal, func(self unsafe.Pointer) bool { return C.V8_Value_IsExternal(self) == 1 }) }