class Net::IMAP::Config

Given a config, returns that same config.

Config.global. Use Config.new for an unfrozen config.
Given a Hash, creates a new _frozen_ config which inherits from

version. See Config@Named+defaults.
Given a version name, returns the default configuration for the target

version. See Config@Versioned+defaults.
Given a version number, returns the default configuration for the target

Net::IMAP::Config[config] -> same config
Net::IMAP::Config[hash] -> new frozen config
Net::IMAP::Config[symbol] -> named config
Net::IMAP::Config[number] -> versioned config
:call-seq:

def self.[](config)
  if    config.is_a?(Config)         then config
  elsif config.nil? && global.nil?   then nil
  elsif config.respond_to?(:to_hash) then new(global, **config).freeze
  else
    version_defaults[config] or
      case config
      when Numeric
        raise RangeError, "unknown config version: %p" % [config]
      when String, Symbol
        raise KeyError, "unknown config name: %p" % [config]
      else
        raise TypeError, "no implicit conversion of %s to %s" % [
          config.class, Config
        ]
      end
  end
end