Gecko [ fernandoquevedodop.com ]

Name	Size	Permission
deferrable	[ DIR ]	drwxr-xr-x
protocols	[ DIR ]	drwxr-xr-x
buftok.rb	2.13 KB	-rw-r--r--
callback.rb	2.14 KB	-rw-r--r--
channel.rb	1.53 KB	-rw-r--r--
completion.rb	9.71 KB	-rw-r--r--
connection.rb	33.41 KB	-rw-r--r--
deferrable.rb	7.8 KB	-rw-r--r--
file_watch.rb	2 KB	-rw-r--r--
future.rb	1.83 KB	-rw-r--r--
io_streamer.rb	1.86 KB	-rw-r--r--
iterator.rb	7.04 KB	-rw-r--r--
messages.rb	2.77 KB	-rw-r--r--
pool.rb	4.1 KB	-rw-r--r--
process_watch.rb	1.24 KB	-rw-r--r--
processes.rb	3.66 KB	-rw-r--r--
protocols.rb	1.5 KB	-rw-r--r--
pure_ruby.rb	34.87 KB	-rw-r--r--
queue.rb	2.06 KB	-rw-r--r--
resolver.rb	4.76 KB	-rw-r--r--
spawnable.rb	2.12 KB	-rw-r--r--
streamer.rb	3.59 KB	-rw-r--r--
threaded_resource.rb	2.8 KB	-rw-r--r--
tick_loop.rb	2.09 KB	-rw-r--r--
timers.rb	1.29 KB	-rw-r--r--
version.rb	50 B	-rw-r--r--

Code Editor : future.rb

#--
#
# Author:: Francis Cianfrocca (gmail: blackhedd)
# Homepage::  http://rubyeventmachine.com
# Date:: 16 Jul 2006
# 
# See EventMachine and EventMachine::Connection for documentation and
# usage examples.
#
#----------------------------------------------------------------------------
#
# Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
# Gmail: blackhedd
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of either: 1) the GNU General Public License
# as published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version; or 2) Ruby's License.
# 
# See the file COPYING for complete licensing information.
#
#---------------------------------------------------------------------------
#
#

#--
# This defines EventMachine::Deferrable#future, which requires
# that the rest of EventMachine::Deferrable has already been seen.
# (It's in deferrable.rb.)

module EventMachine
    module Deferrable

# A future is a sugaring of a typical deferrable usage.
      #--
      # Evaluate arg (which may be an expression or a block).
      # What's the class of arg?
      # If arg is an ordinary expression, then return it.
      # If arg is deferrable (responds to :set_deferred_status),
      # then look at the arguments. If either callback or errback
      # are defined, then use them. If neither are defined, then
      # use the supplied block (if any) as the callback.
      # Then return arg.
      def self.future arg, cb=nil, eb=nil, &blk
        arg = arg.call if arg.respond_to?(:call)

if arg.respond_to?(:set_deferred_status)
          if cb || eb
            arg.callback(&cb) if cb
            arg.errback(&eb) if eb
          else
            arg.callback(&blk) if blk
          end
        end

arg
      end

end
end

${this.title}

Code Editor : future.rb