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module Kernel
# Assign via accessor methods using a varierty of arguments
# including hash, associative array and/or block.
#
# Examples:
#
# object.set :a, 1
# object.set :b, 2
#
# object.set :a => 1, :b => 2
#
# object.set [[:a, 1], [:b, 2]]
#
# object.set do |s|
# s.a = 1
# s.b = 2
# end
#
# These example are all equivalent to:
#
# object.a = 1
# object.b = 2
#
# Not that using an associative array instead of a hash
# guarantees order of assignment.
#
# Using set's arugments, this method will not raise an error
# if the writer method does not exist --it will simply be
# skipped. This is unlike Module#set which will create a
# new accessor on demand. The block notation will still
# raise an error however.
#
def set(data=nil, value=Exception) #:yield:
if value != Exception
__send__("#{data}=", value) if respond_to?("#{data}=")
elsif data
data.each do |k,v|
__send__("#{k}=", v) if respond_to?("#{k}=")
end
end
yield(self) if block_given?
self
end
end
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