Sha256: 324ea01991b401b56f6145beccc39ced8f427d891a1958b7b7aa9f3374c0c4a2
Contents?: true
Size: 833 Bytes
Versions: 11
Compression:
Stored size: 833 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
yield current
current = current.next
end
end
def inspect
%([#{collect(&:inspect).join(', ')}])
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems