OOP considered harmful

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OOP considered harmful? Maybe you’ve already agreed whilst clicking the link, maybe you clicked the link just to prove yourself that the author is an idiot. What I’m trying to say, “OOP is harmful” is a point of view. I intend to prove it useful, whether you are a raging OOP zealot, a die-hard math purist or none of the above and just came here to code.

TL;DR

• OOP is a very powerful paradigm but as it comes without usage instruction, more often than not it leads to over-complicated code.
• Function > Class.
• Just write code, good abstractions will reveal themselves like Polaroid pictures, classes included.
• Use UML sequence diagrams to design software, use class diagrams only to describe existing systems.
• The title says OOP while mainly I speak about classes in popular programming languages (not pure actors and messages model).

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