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class: Credit Card


${ccNumber(cardno)}

input

${ccNumber(7777777777777777)}
yields7777777777777777  

input

${ccNumber(7777-7777-7777-7777)}
yields7777777777777777  


${ccValid(cardno)}

input

${ccValid(7777777777777777)}
yields
FAILURE usage: ${ccValid(credit card #)}  

input

${ccValid(4444555503053331)}
yields
SUCCESS  

input

${ccValid(4444-5555-0305-3331)}
yields
SUCCESS  


${ccType(cardno)}

input

${ccType(7777777777777777)}
yieldsunknown  

input

${ccType(4444555503053331)}
yieldsvisa  

input

${ccType(4444-5555-0305-3331)}
yieldsvisa  

   
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