idiom
n.n. a specific way of writing code that follows a standard pattern. It is a common phrase or structure that programmers use to solve a particular problem.
n. a standard, established pattern of code used to implement a specific function or algorithm. Often refers to a common phrase or idiom within a programming language that encapsulates a particular logic.
The programmer used a common idiom to loop through the array.
In functional programming, the map-reduce idiom is often used to process large datasets efficiently.
While the syntax of the language is simple, the idioms required to write performant code are complex and often require years of experience to master.
From Middle French idiome, and its source, Late Latin idioma, from Ancient Greek ἰδίωμα (idíōma, “a peculiarity, property, a peculiar phraseology, idiom”), from ἰδιοῦσθαι (idioûsthai, “to make one's own, appropriate to oneself”), from ἴδιος (ídios, “one's own, pertaining to oneself, private, personal, peculiar, separate”). By surface analysis, idi- + -om.