Sha256: eafd9489cec9b1bebe5d6f4bb05b06eba2c043f196ecf95e95c53b5e2f3c4d63
Contents?: true
Size: 771 Bytes
Versions: 12
Compression:
Stored size: 771 Bytes
Contents
module Taskinator
class Tasks
include Enumerable
# implements a linked list, where each task references the next task
attr_reader :head
alias_method :first, :head
def initialize(first=nil)
@head = first
end
def add(task)
if @head.nil?
@head = task
else
current = @head
while current.next
current = current.next
end
current.next = task
end
task
end
alias_method :<<, :add
alias_method :push, :add
def empty?
@head.nil?
end
def each(&block)
return to_enum(__method__) unless block_given?
current = @head
while current != nil
yield current
current = current.next
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems