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  2. C++11 - Wikipedia

    en.wikipedia.org/wiki/C++11

    The number after the \u is a hexadecimal number; it does not need the usual 0x prefix. The identifier \u represents a 16-bit Unicode code point; to enter a 32-bit code point, use \U and a 32-bit hexadecimal number. Only valid Unicode code points can be entered.

  3. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    The total size of u is the size of u.s – which happens to be the sum of the sizes of u.s.u and u.s.d – since s is larger than both i and f. When assigning something to u.i, some parts of u.f may be preserved if u.i is smaller than u.f. Reading from a union member is not the same as casting since the value of the member is not converted, but ...

  4. Operators in C and C++ - Wikipedia

    en.wikipedia.org/wiki/Operators_in_C_and_C++

    All the operators (except typeof) listed exist in C++; the column "Included in C", states whether an operator is also present in C. Note that C does not support operator overloading. When not overloaded, for the operators &&, ||, and , (the comma operator), there is a sequence point after the evaluation of the first operand.

  5. C++ - Wikipedia

    en.wikipedia.org/wiki/C++

    After C++98, C++ evolved relatively slowly until, in 2011, the C++11 standard was released, adding numerous new features, enlarging the standard library further, and providing more facilities to C++ programmers. After a minor C++14 update released in December 2014, various new additions were introduced in C++17. [33] After becoming finalized in ...

  6. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    C++ and a couple of others permit a quote (') as thousands separator, and many others like Python and Julia, (only) allow ‘_’ as such a separator (it's usually ignored, i.e. also allows 1_00_00_000 aligning with the Indian number style of 1,00,00,000 that would be 10,000,000 in the US).

  7. Unum (number format) - Wikipedia

    en.wikipedia.org/wiki/Unum_(number_format)

    a u-bit, which determines whether the unum corresponds to an exact number (u = 0), or an interval between consecutive exact unums (u = 1). In this way, the unums cover the entire extended real number line [−∞,+∞].

  8. Comma operator - Wikipedia

    en.wikipedia.org/wiki/Comma_operator

    The comma operator separates expressions (which have value) in a way analogous to how the semicolon terminates statements, and sequences of expressions are enclosed in parentheses analogously to how sequences of statements are enclosed in braces: [1] (a, b, c) is a sequence of expressions, separated by commas, which evaluates to the last expression c, while {a; b; c;} is a sequence of ...

  9. Translation unit (programming) - Wikipedia

    en.wikipedia.org/wiki/Translation_unit_(programming)

    Translation units define a scope, roughly file scope, and functioning similarly to module scope; in C terminology this is referred to as internal linkage, which is one of the two forms of linkage in C. Names (functions and variables) declared outside of a function block may be visible either only within a given translation unit, in which case they are said to have internal linkage – they are ...