func (val_ *Value) IsBoolean() bool { return val_.hasJsType(isBoolean, func(self unsafe.Pointer) bool { return C.V8_Value_IsBoolean(self) == 1 }) }
func (v *Value) IsBoolean() bool { return v.checkJsType(isBoolean, func(self unsafe.Pointer) bool { return C.V8_Value_IsBoolean(self) == 1 }) }