Function Overloading - language feature

Example from C++, Real-Time Concurrent C:

// volume of a cube
int volume(const int s) {
 return s*s*s;
}
// volume of a cylinder
double volume(const double r, const int h) {
  return 3.1415926*r*r*static_cast<double>(h);
}

Example from Pascal, ADLIB, Extended Pascal:

program Adhoc;

function Add(x, y : Integer) : Integer;
begin
    Add := x + y
end;

function Add(s, t : String) : String;
begin
    Add := Concat(s, t)
end;

begin
    Writeln(Add(1, 2));                   (* Prints "3"             *)
    Writeln(Add('Hello, ', 'World!'));    (* Prints "Hello, World!" *)
end.

Example from Speedie:

function volume (|float| a, |float|)
 return a*a*a
function volume (|float| r, |float| h, |float|)
 // volume of a cylinder
 return math.pi*r*r*h

Languages with Function Overloading include C++, Pascal, Speedie, Dale, Real-Time Concurrent C, ADLIB, Extended Pascal

Languages without Function Overloading include JavaScript, Ruby, TypeScript, C3, Jule

This question asks: Can you have multiple functions with the same name but different parameters?

Read more about Function Overloading on the web: 1. 2.

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