WAStoreMasterCard

Seaside-Examples-Store-Model

Comment: 

Adds MasterCard-specific validation to WAStoreCreditCard.

Hierarchy:

ProtoObject
Object
WAStoreCreditCard
WAStoreMasterCard

Summary:

methods:

instance class
as yet unclassified as yet unclassified

Detail:

instance methods:

as yet unclassified
validate 

	super validate.
	number first = $5 ifFalse: [self error: 'Mastercard numbers must start with "5"'].

class methods:

as yet unclassified
abbreviation 

	^ 'MC'

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