Tech Engineering

Builder Pattern in Golang

Karthik Anish's photo
Karthik Anish
·

1 min read

The Builder Pattern in Golang is a powerful design pattern that simplifies the creation of complex objects. It separates the construction process from the representation of the object, allowing for more flexibility and control. By using the Builder Pattern, developers can create objects with different configurations without the need for multiple constructors or complex initialization logic. This pattern is particularly useful when dealing with objects that have a large number of optional or required parameters, as it provides a clear and concise way to build these objects. The Builder Pattern in Golang promotes code reusability, maintainability, and testability, making it a valuable tool in the development of robust and scalable applications.

Here is an example

qb := NewQueryBuilder()
query, params := qb.
    Select("id", "name", "email").
    From("users").
    Where("email = ?", "example@example.com").
    OrderBy("name", "ASC").
    Limit(10).
    Build()

fmt.Println(query)
fmt.Println(params)

The Builder Pattern in Golang streamlines the creation of complex objects by separating the construction process from their representation, enabling flexibility and control. This pattern is especially beneficial for objects with numerous optional or required parameters, enhancing code reusability, maintainability, and testability.

golang