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  2. Concepts (C++) - Wikipedia

    en.wikipedia.org/wiki/Concepts_(C++)

    The following is a declaration of the concept "equality_comparable" from the <concepts> header of a C++20 standard library. This concept is satisfied by any type T such that for lvalues a and b of type T, the expressions a==b and a!=b as well as the reverse b==a and b!=a compile, and their results are convertible to a type that satisfies the concept "boolean-testable":

  3. C++20 - Wikipedia

    en.wikipedia.org/wiki/C++20

    C++20 is a version of the ISO/IEC 14882 standard for the C++ programming language. C++20 replaced the prior version of the C++ standard, called C++17 , and was later replaced by C++23 . [ 1 ] The standard was technically finalized [ 2 ] by WG21 at the meeting in Prague in February 2020, [ 3 ] had its final draft version announced in March 2020 ...

  4. Curiously recurring template pattern - Wikipedia

    en.wikipedia.org/wiki/Curiously_recurring...

    The curiously recurring template pattern (CRTP) is an idiom, originally in C++, in which a class X derives from a class template instantiation using X itself as a template argument. [1] More generally it is known as F-bound polymorphism , and it is a form of F -bounded quantification .

  5. Barton–Nackman trick - Wikipedia

    en.wikipedia.org/wiki/Barton–Nackman_trick

    // A class template to express an equality comparison interface. template < typename T > class equal_comparable {friend bool operator == (T const & a, T const & b) {return a. equal_to (b);} friend bool operator!= (T const & a, T const & b) {return! a. equal_to (b);}}; // Class value_type wants to have == and !=, so it derives from // equal_comparable with itself as argument (which is the CRTP ...

  6. As clock ticks down, Biden abandons student loan relief ... - AOL

    www.aol.com/clock-ticks-down-biden-abandons...

    One of the plans would have forgiven up to $20,000 of unpaid interest for more than 20 million borrowers, the White House said in April. More than four million borrowers in repayment for 20 years ...

  7. C++ - Wikipedia

    en.wikipedia.org/wiki/C++

    The C++ Core Guidelines [91] are an initiative led by Bjarne Stroustrup, the inventor of C++, and Herb Sutter, the convener and chair of the C++ ISO Working Group, to help programmers write 'Modern C++' by using best practices for the language standards C++11 and newer, and to help developers of compilers and static checking tools to create ...

  8. What are the BRIC nations? Why did Donald Trump ... - AOL

    www.aol.com/bric-nations-why-did-donald...

    Donald Trump continues to threaten tariffs against foreign nations, this time toward a bloc of nine countries if they try to undermine the dollar's global dominance.

  9. 6. Worms and other parasitic infections. With heavy worm burdens or certain parasitic infections, dogs can vomit. You may see worms in the vomit, but an absence of worms doesn’t mean parasites ...