Rebol Programming/unless

USAGE:Edit

UNLESS condition block 

DESCRIPTION:Edit

Evaluates the block if condition is not TRUE.

UNLESS is a native value.

ARGUMENTSEdit

  • condition -- (Type: any)
  • block -- (Type: block)

SOURCE CODEEdit

unless: native[
    "Evaluates the block if condition is not TRUE." 
    condition 
    block [block!]
]