Problem Statement

A function is a body of code that returns a value. The value returned may depend on arguments provided to the function.

Write a definition of a function called "multiply" that takes two arguments and returns their product. (Argument types should be chosen so as not to distract from showing how functions are created and values returned).

Let's start with the solution:

define multiply(a,b) => {
	return #a * #b
}

define multiply(a,b) => #a * #b

// Signatures that convert second input to match first input
define multiply(a::integer,b::any) => #a * integer(#b)
define multiply(a::decimal,b::any) => #a * decimal(#b)

// Catch all signature 
define multiply(a::any,b::any) => decimal(#a) * decimal(#b)