func (val_ *Value) IsFunction() bool { return val_.hasJsType(isFunction, func(self unsafe.Pointer) bool { return C.V8_Value_IsFunction(self) == 1 }) }
func (v *Value) IsFunction() bool { return v.checkJsType(isFunction, func(self unsafe.Pointer) bool { return C.V8_Value_IsFunction(self) == 1 }) }