Chapter 1 : What is Clean Code — Robert C Martin

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Chandler just got replaced as a programmer by Tesla Robot (year 2050)
That’s harsh Robert C Martin!
How Patrick writes clean code.
Bjarne Stroustrup inventor of C++

“I like my code to be elegant and efficient. The logic should be straightforward to make it hard for bugs to hide, the dependencies minimal to ease maintenance, error handling complete according to an articulated strategy, and performance close to optimal so as not to tempt people to make the code messy with unprincipled optimizations. Clean code does one thing well.” — Bjarne Stroustrup

Grady Booch author of Object Oriented Analysis and Design with Applications

“Clean code is simple and direct. Clean code reads like well-written prose. Clean code never obscures the designer’s intent but rather is full of crisp abstractions and straightforward lines of control.” — Grady Booch

Dave Thomas, founder of OTI, godfather of the Eclipse strategy

“Clean code can be read, and enhanced by a developer other than its original author. It has unit and acceptance tests. It has meaningful names. It provides one way rather than many ways for doing one thing. It has minimal dependencies, which are explicitly defined, and provides a clear and minimal API. Code should be literate since depending on the language, not all necessary information can be expressed clearly in code alone.” — Dave Thomas

Micheal C Feathers author of Working Effectively with Legacy Code

“I could list all of the qualities that I notice in clean code, but there is one overarching quality that leads to all of them. Clean code always looks like it was written by someone who cares. There is nothing obvious that you can do to make it better. All of those things were thought about by the code’s author, and if you try to imagine improvements, you’re led back to where you are, sitting in appreciation of the code someone left for you — code left by someone who cares deeply about the craft.”- Micheal C Feathers

Ron Jeffries, author of Extreme Programming Installed and Extreme Programming Adventures in C#

In recent years I begin, and nearly end, with Beck’s rules of simple code. In priority order, simple code:
Runs all the tests;
Contains no duplication;
Expresses all the design ideas that are in the system;
Minimizes the number of entities such as classes, methods, functions, and the like.
Reduced duplication, high expressiveness, and early building of simple abstractions.
That’s what makes clean code for me.

Ward Cunningham

You know you are working on clean code when each routine you read turns out to be pretty much what you expected. You can call it beautiful code when the code also makes it look like the language was made for the problem.

- Ward Cunningham



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