Enum

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An enumumerated type contains identifiers that can be used like constants.

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enum <name> (values...)

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> enum Days (Mon, Tue, Wed, Thu, Fri, Sat, Sun)

 

Two enum values can be compared based on the integer value assigned to them

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> Mon < Tue

True

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> Tue > Wed

False

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You can access an enum value from the name of the enum with its index

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> Days !! 1

Tue