NAME
Salvation::MacroProcessor::Iterator::Compliance - Salvation::MacroProcessor::Iterator-compatible iterator interface
REQUIRES
METHODS
Following methods should be implemented by a class in order to be compatible with Salvation::MacroProcessor::Iterator.
first
$object -> first()Returns first element of a list.
last
$object -> last()Returns last element of a list.
seek
$object -> seek( $position )Sets position of an iterator to $position.
next
$object -> next()Returns element at current position, then increases position by one.
count
$object -> count()Returns elements count.
to_start
$object -> to_start()Sets position of an iterator to start.
to_end
$object -> to_end()Sets position of an iterator to end.
__position
$object -> __position()Returns current position of an iterator.
prev
$object -> prev()Returns element at current position, then decreases position by one.