Returns the value contained inside of an enum variant. The function strips all relevant attributes from the object, returning its bare value.
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Enumerated value to unwrap
objects to be passed to methods.
Alternative value to be returned in case of failure
unwrap is used to extract the inside objects of an Enum. Unless the Enum was assigned a specific
value, the returned value will be a list with names equal to those in the Enum declaration.
Option have associated
unwrap methods that automatically
call an error and stop execution if the variant is either
unwrap_or allows the user to specify an alternative value in case of failure on the part of
an object of any class.
unwrap_or: Extract the inside of Enum. If variant is 'Err' or 'None', the alternative is returned.
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