Yhn first seen 11 h ago, last 3 min ago, peak #15
Push ifs up and fors down: a programming idiom examined
Original: Push ifs up and fors down: The idiom, its algebra, and its limits
A new essay explores the software design idiom 'push ifs up and fors down', which encourages keeping conditionals at higher levels of abstraction while pushing iteration and loops into lower-level functions. The piece walks through the algebra behind the pattern and, importantly, where it breaks down, arguing that treating it as a strict rule rather than a heuristic leads to worse code.
Why now: Developers on Hacker News are debating a design principle that challenges how they structure conditionals and loops in everyday code.
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