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tuple: clarify warn_unused_arg usage for ignore(...)

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Danny Robson 2017-08-16 17:25:29 +10:00
parent 959bc85987
commit 651324d6f9
1 changed files with 2 additions and 1 deletions
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tuple.hpp
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@ -169,7 +169,8 @@ namespace util::tuple {
/// do nothing with a set of parameters. /// do nothing with a set of parameters.
/// ///
/// useful for temporarily silencing unused argument warnings in parameter /// useful for temporarily silencing unused argument warnings in parameter
/// packs. /// packs, or for avoiding assignment of [[gnu::warn_unused_result]] to a
/// temporary value we'd just cast to void anyway (GCC#66425).
/// ///
/// it is guaranteed that this function will never be defined out in /// it is guaranteed that this function will never be defined out in
/// debug/release/whatever builds. so it is safe to use to guarantee /// debug/release/whatever builds. so it is safe to use to guarantee