A programming language idiom is a pattern or technique that you expect your readers to know, even if it isn't obvious when encountered for the first time. Here'

A programming language idiom is a pattern or technique that you expect your readers to know, even if it isn't obvious when encountered for the first time. Here's an idiom: for (int i=0; i < 10; i++) We all instantly know this means loop 10 times, from 0 through 9. But on first read it takes a little work to figure out what's happening.