What is function return type?
The result of a function is called its return value and the data type of the return value is called the return type. If a function declaration does not specify a return type, the compiler assumes an implicit return type of int . A function can have a return type that is a user-defined type.
Can a function return any data type?
A function may be defined to return any type of value, except an array type or a function type; these exclusions must be handled by returning a pointer to the array or function. When a function does not return a value, void is the type specifier in the function declaration and definition.
What is return type of data?
In computer programming, the return type (or result type) defines and constrains the data type of the value returned from a subroutine or method. In many programming languages (especially statically-typed programming languages such as C, C++, Java) the return type must be explicitly specified when declaring a function.
What is function return type in C?
Return Type − A function may return a value. The return_type is the data type of the value the function returns. Some functions perform the desired operations without returning a value. In this case, the return_type is the keyword void.
Can a function return a lvalue?
An lvalue has an address that your program can access. Examples of lvalue expressions include variable names, including const variables, array elements, function calls that return an lvalue reference, bit-fields, unions, and class members. A prvalue expression has no address that is accessible by your program.
What is the return function in PHP?
Function-return value in PHP A function can return a value using the return statement in conjunction with a value or object. In return value function, return keyword is used to return a value from a function. In return value function, return stops the execution of the function and sends the value back to the calling code.
What is return in C programming?
“return” can return any expression in C, although the expression has to be a type that is compatible with the return type of the function. In main() (or similar top-level functions in other programming environments), return has the added purpose of returning a value to the invocation environment, so it will be the exit value of the program itself.
What is return in JS?
The “return” statement in JavaScript mentions a value, which you like to return. Inside a function, the value is returned to the function caller.