Initial data commit

Task/Exponentiation-operator/Swift/exponentiation-operator.swift

@@ -0,0 +1,18 @@
+func raise<T: Numeric>(_ base: T, to exponent: Int) -> T {
+    precondition(exponent >= 0, "Exponent has to be nonnegative")
+    return Array(repeating: base, count: exponent).reduce(1, *)
+}
+
+infix operator **: MultiplicationPrecedence
+
+func **<T: Numeric>(lhs: T, rhs: Int) -> T {
+    return raise(lhs, to: rhs)
+}
+
+let someFloat: Float = 2
+let someInt: Int = 10
+
+assert(raise(someFloat, to: someInt) == 1024)
+assert(someFloat ** someInt == 1024)
+assert(raise(someInt, to: someInt) == 10000000000)
+assert(someInt ** someInt == 10000000000)