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Learn Red ? Fundamentals of Red
book

Learn Red ? Fundamentals of Red

by Ivo Balbaert
May 2018
Beginner content levelBeginner
252 pages
6h 19m
English
Packt Publishing
Content preview from Learn Red ? Fundamentals of Red

A fauna of functions

Red's built-in functions can be categorized as follows. The type is indicated within ():

  • operators (op!), which can be used with infix notation, such as a + b, a / b, and so on.
  • native (native!) functions, such as if, either, while, throw, all, wait, and so on; you can see a complete list by using ? op! in the console.
  • routine (routine!) functions, such as exists?, write-clipboard, and so on; you can see a list using ? routine! It is also used in Red to define a function that calls a Red/System function (see Chapter 10, Advanced Red).
  • action (action!) functions, such as copy, move, clear, to, form, and so on; you can see a complete list using ? action!

The native, routine, and action functions are written in Red/System ...

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Publisher Resources

ISBN: 9781789130706Supplemental Content