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Design patterns in Lua

Design patterns are common ways to solve problems that come up often in software development. They are like blueprints/guides you can adjust to fit specific challenges and common tasks in the code.

There are advocates of the design patterns and opponents of them. Here I wittingly skip the discussion about the advantages and disadvantagesЛ of design patterns. But these patterns are really useful to solve common problems in software development, especially when you are working in groups.

Tip

Use design patterns to solve real-world problems, do not adapt your code to the problem.

Lua is not an exception language, and all 22 classic design patterns can be implemented in Lua with the help of classes and object-oriented programming. There might be, in some cases, classes are overkill, but they are a good way to organize the code and show better examples of how to use object-oriented programming in Lua. Any pattern can be implemented in Lua, using functions, tables, and metatables.

Usually there are three categories of design patterns:

Creational design patterns

Structural design patterns

Behavioral design patterns

References

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