Initial data commit

Task/Variable-declaration-reset/Go/variable-declaration-reset.go

@@ -0,0 +1,29 @@
+package main
+
+import "fmt"
+
+func main() {
+    s := []int{1, 2, 2, 3, 4, 4, 5}
+
+    // There is no output as 'prev' is created anew each time
+    // around the loop and set implicitly to zero.
+    for i := 0; i < len(s); i++ {
+        curr := s[i]
+        var prev int
+        if i > 0 && curr == prev {
+            fmt.Println(i)
+        }
+        prev = curr
+    }
+
+    // Now 'prev' is created only once and reassigned
+    // each time around the loop producing the desired output.
+    var prev int
+    for i := 0; i < len(s); i++ {
+        curr := s[i]
+        if i > 0 && curr == prev {
+            fmt.Println(i)
+        }
+        prev = curr
+    }
+}