STD::UNARY_NEGATE(3)

💅 std::unary_negate< _Predicate >

okay bestie, so this little cutie lives in the C++ standard library (libstdc++), section 3 of the manual, and it's one of the negation functors. yes, that's the whole vibe. it takes a predicate and flips it. iconic behaviour honestly. 🦋

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✨ NAME ✨

std::unary_negate< _Predicate > — one of the negation functors. that's it, that's the name, and it understood the assignment. 💖

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✨ SYNOPSIS ✨

#include <functional>

Inherits std::unary_function< _Predicate::argument_type, bool >. it's giving nepo baby but like, in a good way, it's literally just inheriting its typedefs from its parent. 🫶

🎀 Public Types

• typedef _Predicate::argument_type argument_type — this is the type of the argument. lowkey self-explanatory but we respect it.
• typedef bool result_type — this is the return type, and it's bool because of course it is, it's a predicate, it's out here returning truthy vibes only. ✨

🎀 Public Member Functions

• constexpr unary_negate (const _Predicate &__x) — the constructor. it takes a reference to a _Predicate named __x and it's constexpr, so it can do its thing at compile time too. main character energy fr. 👑
• constexpr bool operator() (const typename _Predicate::argument_type &__x) const — the call operator! takes a const reference to the argument type, returns bool, and it's const and constexpr. this is the moment, this is where the negating happens. 💅

🎀 Protected Attributes

• _Predicate _M_pred — the protected attribute holding the predicate. it's shy, it's protected, it's living its truth behind the scenes. 🙈

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💜 Detailed Description 💜

template<typename _Predicate>
    class std::unary_negate< _Predicate >

"One of the negation functors."

that's the quote, that's the whole detailed description, and honestly? it ate. no notes. 🔥

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🌸 Member Typedef Documentation 🌸

• typedef _Predicate::argument_type std::unary_function< _Predicate::argument_type, bool >::argument_type [inherited] — argument_type is the type of the argument. inherited from the base, no cap. ✨
• typedef bool std::unary_function< _Predicate::argument_type, bool >::result_type [inherited] — result_type is the return type. also inherited. the family tree is thriving honestly. 🌈

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👑 Author 👑

Generated automatically by Doxygen for libstdc++ from the source code. so like, not a human author, just a robot doing its bestie duties and documenting everything fr fr. 🤖💖

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okay that's the whole page!! it's libstdc++, it's std::unary...Predicate >(3) (the manual page title, truncated and adorable), and that's your sign-off. go negate something, bestie. 🎀💅✨