411 REFERENCE · Wikibooks
Rebol Programming/else
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USAGE:
EITHER condition true-block false-block
DESCRIPTION:
If condition is TRUE, evaluates the first block, else evaluates the second.
EITHER is a native value.
ARGUMENTS
condition -- (Type: any)
true-block -- (Type: block)
false-block -- (Type: block)
SOURCE CODE
either: native[
{If condition is TRUE, evaluates the first block, else evaluates the second.}
condition
true-block [block!]
false-block [block!]
]