method

new_alias_name

v2_4_6 - Show latest stable - 0 notes - Class: IRB::MethodExtender

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What's this?

new_alias_name(name, prefix = "__alias_of__", postfix = "__") public

Returns a unique method name to use as an alias for the given name.

Usually returns #{prefix}#{name}#{postfix}<num>, example:

new_alias_name('foo') #=> __alias_of__foo__
def bar; end
new_alias_name('bar') #=> __alias_of__bar__2

Show source

# File lib/irb/extend-command.rb, line 296
    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

new_alias_name

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