Nesting "If Statements" Is Bad. Do This Instead. #GuardClauses #coding #programming
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Nesting "If Statements" Is Bad. Do This Instead.

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Why I Don't Use Else When Programming

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Unless the #programming #language #compiler recognizes declarative predicates and flattens them into if-then-else structures (which turn into if-goto assembler), this could lead to a huge stack full of procedures that are just idling about, waiting for a nested procedure to get released.

It's the exact opposite of #guardClauses which short-circuit execution by failing fast, and return to their caller quickly, freeing that stack frame instantly.