The simplest way to make your own function in Red is with the does word. Consider the following code:
;-- see Chapter06/do-does-has-func.red:cls: does [ loop 100 [print newline] ] ; == func [][loop 100 [print newline]]cls ; call function cls
The newline phrase is the character that prints a new line.
In the preceding example, we create a function called cls that clears the output screen by printing 100 blank lines when it is called as cls. It is a function (func), as we can see from the return value when defining cls. You use does when you need a function that has no arguments and no local variables.
=> Now answer question 2 from the Questions section.
An important distinction should be made between the following two kinds ...