Be Expressive: How to Give Your Variables Better Names

Well-named variables are one of the most useful tools for building a maintainable and predictable codebase. Poor variable names can confuse users, but good ones make code seem effortless. As Ward Cunningham put it:

You know you are working on clean code when each routine turns out to be pretty much what you expected.

Naming variables well is one of the first and most important things you can do to create code that feels expected.
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