lean into examples

examples/structs/structs.go

@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+type Circle struct {
+    x, y, r float64
+}
+
+func main() {
+    cEmptyPtr := new(Circle)
+    fmt.Println(cEmptyPtr)
+    fmt.Println(*cEmptyPtr)
+
+    cValue := Circle{x: 1, y: 2, r: 5}
+    fmt.Println(&cValue)
+    fmt.Println(cValue)
+
+    cOrdered := Circle{1, 2, 5}
+    fmt.Println(cOrdered)
+}
+
+// todo: add field access