Toxic mistake to use the Function option pattern instead of the Builder pattern

Both the function option pattern and builder pattern are super operative design patterns. But as a software engineer, it is so important to use this pattern in the right conditions. In this article, I want to say that using the function option instead of the builder pattern is wrong.

The Options pattern can be a good alternative to the Builder pattern for creating objects with many optional parameters, especially if the object has fewer parameters.

When using the Function option pattern

when we have a lot of parameters that they are optional, it is much better to use this pattern.

Builder pattern

The motivation behind the Builder pattern is to create a complex object piece by piece. Our goal in this blog is to provide APIs to create complex objects step-by-step.

Golang Builder Design Pattern

Builder is a creational design pattern that lets you construct complex objects step by step. The pattern allows you to produce different types and representations of an object using the same construction code.

I saw that some developers used the function option pattern for sending many optional parameters as input and it is true. But when we need to set a parameter and it is essential why get these parameters as an optional function design pattern? For example, we need to build a house. In simplest abstraction, we need a roof, wall, and door. Although we can set a default value for all of these three elements and get them by function option pattern in many cases, we don’t have a default value for them. In this case, it is much better to use the builder pattern and after defining all parameters, build a decided apartment, even in the builder pattern we can check everything will be ok. For example, we can check a The door matches the window.