swift - Know if an array contains a type of element -

i'm working swift 3 , xcode.

i have class :

class h: skspritenode {...}

and array :

var array = [h]()

i want check nodes(at:) function if @ given point, there element of type h. tried :

if nodes(at: mypoint).contains(h)

but doesn't work, , understand that. there way able know if arrays nodes(at) function returns contains element class h ?

and other question, how can check in nodes returned function, if array contains node specific name ?

try use .filter({$0 h}).count > 0

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