Data commit

Task/Fibonacci-sequence/Wren/fibonacci-sequence.wren

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+// iterative (quick)
+var fibItr = Fn.new { |n|
+    if (n < 2) return n
+    var a = 0
+    var b = 1
+    for (i in 2..n) {
+        var c = a + b
+        a = b
+        b = c
+    }
+    return b
+}
+
+// recursive (slow)
+var fibRec
+fibRec = Fn.new { |n|
+    if (n < 2) return n
+    return fibRec.call(n-1) + fibRec.call(n-2)
+}
+
+System.print("Iterative: %(fibItr.call(36))")
+System.print("Recursive: %(fibRec.call(36))")