Rebol Programming/unless

USAGE: edit

UNLESS condition block 

DESCRIPTION: edit

Evaluates the block if condition is not TRUE.

UNLESS is a native value.

ARGUMENTS edit

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

SOURCE CODE edit

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