for-loop.md

group
Loops

For Loops

This article explains how to use for loops, which are a shortened and more advanced version of while loops.

Overview

Remember while loops? What if we want to increment a variable each time? We could do:

start
  $i = 0
  @while $i < 5
    @nowait $i
    $i++

or we could use a for loop.

A for loop runs a declaration, and repeats some statements while a condition is true. Each time the statements inside are run, an increment is run.

You write @for {declaration};{condition};{increment} and then put statements inside. The first example above could be rewritten with for loops like this:

start
  @for $i = 0; $i < 5; $i++
    @nowait $i

Note that there is no type of for loop that acts like a do-while loop.