Data update

Task/Fibonacci-sequence/Gleam/fibonacci-sequence-1.gleam

@@ -0,0 +1,7 @@
+pub fn fib(n: Int) -> Int {
+  case n {
+    0 -> 0
+    1 -> 1
+    n -> fib(n - 1) + fib(n - 2)
+  }
+}

Task/Fibonacci-sequence/Gleam/fibonacci-sequence-2.gleam

@@ -0,0 +1,10 @@
+pub fn fib(n: Int) -> Int {
+  fib_helper(n, 0, 1)
+}
+
+fn fib_helper(n: Int, res: Int, next: Int) -> Int {
+  case n, res, next {
+    0, res, _ -> res
+    iter, res, next -> fib_helper(iter - 1, next, res + next)
+  }
+}