Prefer contains over first(where:) != nil

[jpsim]

See 61e9b39

[masters3d]

Here are some variations

let someArray = [1,2,3,3,4,4,5,56,6,7,8]
let myFunc = { (myInt:Int) in return myInt == 56 }

print(someArray.first(where: { $0 == 56 }) != nil)
print(someArray.first(where: myFunc ) != nil)
print(someArray.first{ $0 == 56 } != nil)