Last modified on 27 October 2012, at 22:07

REBOL Programming/header-rules

USAGE:Edit

HEAD? series 

DESCRIPTION:Edit

Returns TRUE if a series is at its head.

HEAD? is an action value.

ARGUMENTSEdit

  • series -- (Type: series port)

SOURCE CODEEdit

head?: native[
    "Returns TRUE if a series is at its head." 
    series [series! port!]
]