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Oct 25, 2013 · (Not ideal to corrupt it but the toothlessness of unused annotation was continued even in standard C++ annotations, which puzzlingly went with [[maybe_unused]] on the parameter definition, instead of letting you mark points in the control flow after which you don't want a variable used and have the compiler catch it.)
UNUSED 意味, 定義, UNUSED は何か: 1. not being used at present, or never having been used: 2. to not be familiar with a particular…. もっと見る
Synonyms for UNUSED: new, untouched, remaining, fresh, intact, immaculate, pristine, remaining, leftover, unconsumed, …
See the full definition. Games & Quizzes; Games & Quizzes; Word of the Day; Grammar; Wordplay; Word Finder ... unused. See More Nearby Entries . Cite this Entry.
Aug 28, 2018 · If a variable or function-argument is potentially unused, gcc's __attribute__((unused)) is designed to suppress any warning about it. Now, if you want something portable, there are multiple choices: If you don't use it,
Mar 1, 2021 · #define UNUSED(x) (void)(x) Because it's pretty much standard for what you're doing anyway. Better for performance (quicker), memory allocation(if any), anything you can think about speaking technically. If you have optimization activated, which you should if you care about performance, these things will be optimized away anyway.
Jan 7, 2021 · [[maybe_unused]] void f([[maybe_unused]] int i) { [[maybe_unused]] int j = i + 100; assert(j); } Implementations are encouraged not to diagnose that j is unused, whether or not NDEBUG is defined. That is, the assert() macro will expand to nothing in NDEBUG , which means the compiler will think j is not used.
