Code Shadow

Noun · Slang & Abbreviations

Definitions

  1. A hidden dependency, side effect, or secondary behavior that follows visible code without being obvious. In engineering slang, code shadows are why systems can keep surprising teams who thought they had mapped the whole path.

    In plain English: A hidden secondary effect or dependency cast by visible code.

    Example: "Removing the old metric looked safe until a code shadow appeared in the billing reports that still derived alerts from that field downstream."

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