2022-12-03

chapter-3-composite-types/01_arrays.go

@@ -1 +1,20 @@
+// array literals are their own types
+// [3]int is a different type to [4]int
+
 package main
+
+import "fmt"
+
+func main() {
+	var x [3]int
+
+	x = [3]int{1, 2, 3}
+	fmt.Println(x)
+
+	// index 0=1, index 5=4, index 6=6, index 10=100, index 11=15, the rest 0
+	var y = [12]int{1, 5: 4, 6, 10: 100, 15}
+	fmt.Println(y)
+
+	// can leave the size off if initialising an array
+	var z = [...]int{1, 2, 3}
+}