Rebol Programming/header-rules
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USAGE:[edit | edit source]
HEAD? series
DESCRIPTION:[edit | edit source]
Returns TRUE if a series is at its head.
HEAD? is an action value.
ARGUMENTS[edit | edit source]
- series -- (Type: series port)
SOURCE CODE[edit | edit source]
head?: native[ "Returns TRUE if a series is at its head." series [series! port!] ]