method

<=>

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What's this?

<=>(zone) public

Compare this time zone to the parameter. The two are compared first on their offsets, and then by name.

# File activesupport/lib/active_support/values/time_zone.rb, line 236
    def <=>(zone)
      return unless zone.respond_to? :utc_offset
      result = (utc_offset <=> zone.utc_offset)
      result = (name <=> zone.name) if result == 0
      result
    end

<=>

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