freeze does nothing since Fixnums are already immutable. : Constants « Language Basics « Ruby

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Ruby » Language Basics » Constants   freeze does nothing since Fixnums are already immutable. HOURS_PER_DAY = 24 HOURS_PER_DAY.freeze # This does nothing since Fixnums are already immutable. HOURS_PER_DAY = 26 # warning: already initialized constant HOURS_PER_DAY HOURS_PER_DAY                            # => 26   Related examples in the same category 1.  Constants in Ruby start with an uppercase letter 2.  Ruby allows you to change the values in constants by assigning a new value to them: 3.  Change the value of Pi, it'll let you do it, but you'll get a warning: 4.  The Scope of Constants 5.  Constants are defined within the scope of the current class and are made available to all child classes, unless they're overridden: 6.  Array constant

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