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  2. Three-way comparison - Wikipedia

    en.wikipedia.org/wiki/Three-way_comparison

    The three-way comparison operator or "spaceship operator" for numbers is denoted as <=> in Perl, Ruby, Apache Groovy, PHP, Eclipse Ceylon, and C++, and is called the spaceship operator. [2] In C++, the C++20 revision adds the spaceship operator <=>, which returns a value that encodes whether the 2 values are equal, less, greater, or unordered ...

  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. ... Many new keywords added (and the new "spaceship operator", ...

  4. Operators in C and C++ - Wikipedia

    en.wikipedia.org/wiki/Operators_in_C_and_C++

    All relational (comparison) operators can be overloaded in C++. Since C++20, the inequality operator is automatically generated if operator== is defined and all four relational operators are automatically generated if operator<=> is defined. [1]

  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. What USAID does, and why Trump and Musk want to get rid of it

    www.aol.com/news/usaid-does-why-trump-musk...

    On his first day in office on January 20, Trump implemented a 90-day freeze on foreign assistance. Four days later, Peter Marocco — a returning political appointee from Trump’s first term ...

  7. Trump names acting FAA administrator after fatal collision

    www.aol.com/news/trump-names-acting-faa...

    Chris Rocheleau, a U.S. Air Force veteran who worked at the FAA for more than 20 years, was previously chief operating officer of the National Business Aviation Association. Sources said Liam ...

  8. Co-Worker Jokes That Man Skipped Work Because He Won ... - AOL

    www.aol.com/co-worker-jokes-man-skipped...

    Related: Winning Mega Millions Ticket for $1.2 Billion Bought at California Gas Station “He kidded me if the reason I wasn’t at work was because I had won the million,” Chavez reportedly ...

  9. Less-than sign - Wikipedia

    en.wikipedia.org/wiki/Less-than_sign

    In C and C++, operator << represents a binary left shift. In the C++ Standard Library, operator <<, when applied on an output stream, acts as insertion operator and performs an output operation on the stream. In Ruby, operator << acts as append operator when used between an array and the value to be appended.