Eleanor McHugh feyeleanor

## map_immutability.go
package main

import "fmt"

type S struct {
        I int
}

func main() {
        m1 := map[string]S{"0": S{0}, "1": S{1}}
	package main

	import "fmt"

	type S struct {
	I int
	}

	func main() {
	m1 := map[string]S{"0": S{0}, "1": S{1}}