WHILE in Scol » History » Version 1
  iri, 09/24/2012 11:59 PM 
  
| 1 | 1 | iri | h1. WHILE in Scol | 
|---|---|---|---|
| 2 | |||
| 3 | *while* <condition> *do* instructions | ||
| 4 | |||
| 5 | <pre> | ||
| 6 | while <condition> do | ||
| 7 | ( | ||
| 8 | instruction_1; | ||
| 9 | instruction_2; | ||
| 10 | instruction_3; | ||
| 11 | |||
| 12 | instruction_n; | ||
| 13 | ); | ||
| 14 | </pre> | ||
| 15 | |||
| 16 | If the condition is false at the start, the instructions block is never ran. | ||
| 17 | |||
| 18 | Example : | ||
| 19 | <pre> | ||
| 20 | fun main ()= | ||
| 21 | _showconsole; | ||
| 22 | |||
| 23 | let 10 -> counter in | ||
| 24 | while (counter >= 0) do | ||
| 25 | ( | ||
| 26 | _fooId counter; | ||
| 27 | set counter = counter-1 // do not forget to increase or decrease your counter, otherwise, the loop can become infinite | ||
| 28 | ); | ||
| 29 | 0;; | ||
| 30 | </pre> | ||
| 31 | |||
| 32 | |||
| 33 | License : "CC-BY-SA-2.0":https://creativecommons.org/licenses/by-sa/2.0/ | ||
| 34 | Tutorial by iri | ||
| 35 | Updated by / |