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  2. Return statement - Wikipedia

    en.wikipedia.org/wiki/Return_statement

    In C and C++, return exp; (where exp is an expression) is a statement that tells a function to return execution of the program to the calling function, and report the value of exp. If a function has the return type void, the return statement can be used without a value, in which case the program just breaks out of the current function and ...

  3. Assignment (computer science) - Wikipedia

    en.wikipedia.org/wiki/Assignment_(computer_science)

    In other programming languages, Scheme for example, the return value of an assignment is undefined and such idioms are invalid. In Haskell, [8] there is no variable assignment; but operations similar to assignment (like assigning to a field of an array or a field of a mutable data structure) usually evaluate to the unit type, which is ...

  4. Parameter (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Parameter_(computer...

    The following program in the C programming language defines a function that is named "SalesTax" and has one parameter named "price". The type of price is "double" (i.e. a double-precision floating point number). The function's return type is also a double.

  5. Semipredicate problem - Wikipedia

    en.wikipedia.org/wiki/Semipredicate_problem

    Various techniques for returning multiple values include: Returning a tuple of values. This is conventional in languages (such as Python) that have a built-in tuple data type and special syntax for handling these: in Python, x, y = f() calls the function f returning a pair of values and assigns the elements of the pair to two variables ...

  6. Pointer (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Pointer_(computer_programming)

    Pointers are used to pass parameters by reference. This is useful if the programmer wants a function's modifications to a parameter to be visible to the function's caller. This is also useful for returning multiple values from a function. Pointers can also be used to allocate and deallocate dynamic variables and arrays in memory. Since a ...

  7. Pure function - Wikipedia

    en.wikipedia.org/wiki/Pure_function

    In computer programming, a pure function is a function that has the following properties: [1] [2]. the function return values are identical for identical arguments (no variation with local static variables, non-local variables, mutable reference arguments or input streams, i.e., referential transparency), and

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    mail.aol.com

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  9. Higher-order function - Wikipedia

    en.wikipedia.org/wiki/Higher-order_function

    The examples are not intended to compare and contrast programming languages, but to serve as examples of higher-order function syntax. In the following examples, the higher-order function twice takes a function, and applies the function to some value twice.