Until - Function Summary

Summary:

Evaluates a block until it is TRUE.

Usage:

until block

Arguments:

block - The block argument. (must be: block)

Description:

Evaluates a block until the block returns a TRUE value (that is, the last expression in the block is TRUE).

str: "string" until [ print str tail? str: next str ] string tring ring ing ng g

Related:

for - Repeats a block over a range of values.
repeat - Evaluates a block a number of times or over a series.
while - While a condition block is TRUE, evaluates another block.