© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
S. DmitrovićModern C++ for Absolute Beginnershttps://doi.org/10.1007/978-1-4842-9274-7_19

19. Functions

Slobodan Dmitrović1  
Belgrade, Serbia


We can break our C++ code into smaller chunks called functions. A function has a return type, a name, a list of parameters in a declaration, and an additional function body in a definition. A simple function definition is:
type function_name(arguments) {
    return something;

Function Declaration

To declare a function, we need to specify a return type, a name, and a list of parameters, if any. To declare a function called myfunction of type void that accepts no parameters, we write:
void ...

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