swift2 - Can't use method "contains" in Swift 2 -


i using swift 2.

i used code: 

while contains(currentcardvalues, randomnumber + 1) {

i getting error:

"contains" unavailable: call contains() method on sequence

this because contains() method defined in protocol extension of sequence. should call way:

currentcardvalues.contains(randomnumber + 1)

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