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//opt/alt/ruby19/lib64/ruby/1.9.1/rake/ext/core.rb
###################################################################### # Core extension library # class Module # Check for an existing method in the current class before extending. IF # the method already exists, then a warning is printed and the extension is # not added. Otherwise the block is yielded and any definitions in the # block will take effect. # # Usage: # # class String # rake_extension("xyz") do # def xyz # ... # end # end # end # def rake_extension(method) if method_defined?(method) $stderr.puts "WARNING: Possible conflict with Rake extension: #{self}##{method} already exists" else yield end end end
