[Sync Iteration] go/card-tricks/3

solutions/go/card-tricks/3/card_tricks.go

@@ -0,0 +1,34 @@
+package cards
+
+func FavoriteCards() []int {
+    return []int{2,6,9}
+}
+
+func GetItem(slice []int, index int) int {
+    if index < 0 || index >= len(slice) {
+        return -1
+    }
+    return slice[index]
+}
+
+func SetItem(slice []int, index, value int) []int { 
+    if index < 0 || index >= len(slice) {
+        return append(slice, value)
+    }
+
+    slice[index] = value
+    return slice
+}
+
+func PrependItems(slice []int, values ...int) []int {
+    slice = append(values, slice...)
+    return slice
+}
+
+func RemoveItem(slice []int, index int) []int {
+	if index < 0 || index >= len(slice) {
+        return slice
+    }
+
+    return append(slice[:index], slice[index+1:]...)
+}