FOR

Summary

FOR Loop construct that repeats the loop within until every value has been processed.

Category

CONTROLS

Usage

FOR variable reach block

Arguments

variable - description of the value

Refinements

/refinement - description of refinement This method has no refinements Not applicable on category

Description

FOR long description

Example Code

Descriptions and

number: 29
binary-string: ""
for index 32 [
    either is-odd number [
        binary-string: join/with "1" binary-string
    ][
        binary-string: join/with "0" binary-string
    ]
    number: number >> 1 ; this or
]
write/line binary-string

You can also automatically count down or in a given range:

index: to whole! 0
FOR index [9 -9] [write/line index]

We do have to take care of the SIZE! of index or else Meta chooses BYTE! type and never reaches the negative numbers, looping around within the values of a BYTE!

Related

FOR-EACH  
FOREVER  
REPEAT  
WHILE  
UNTIL