Extended maintenance of Ruby 1.9.3 ended on February 23, 2015. Read more
# File irb/extend-command.rb, line 240 def def_post_proc(base_method, extend_method) base_method = base_method.to_s extend_method = extend_method.to_s alias_name = new_alias_name(base_method) module_eval %Q[ alias_method alias_name, base_method def #{base_method}(*opts) send :#{alias_name}, *opts send :#{extend_method}, *opts end ] end
# File irb/extend-command.rb, line 226 def def_pre_proc(base_method, extend_method) base_method = base_method.to_s extend_method = extend_method.to_s alias_name = new_alias_name(base_method) module_eval %Q[ alias_method alias_name, base_method def #{base_method}(*opts) send :#{extend_method}, *opts send :#{alias_name}, *opts end ] end
return #{prefix}#{name}#{postfix}<num>
# File irb/extend-command.rb, line 255 def new_alias_name(name, prefix = "__alias_of__", postfix = "__") base_name = "#{prefix}#{name}#{postfix}" all_methods = instance_methods(true) + private_instance_methods(true) same_methods = all_methods.grep(/^#{Regexp.quote(base_name)}[0-9]*$/) return base_name if same_methods.empty? no = same_methods.size while !same_methods.include?(alias_name = base_name + no) no += 1 end alias_name end
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