tasks a-s

Task/Pointers-and-references/Go/pointers-and-references-1.go

@@ -0,0 +1,2 @@
+var p *int  // declare p to be a pointer to an int
+i = &p      // assign i to be the int value pointed to by p

Task/Pointers-and-references/Go/pointers-and-references-2.go

@@ -0,0 +1 @@
+var m map[string]int

Task/Pointers-and-references/Go/pointers-and-references-3.go

@@ -0,0 +1 @@
+m := make(map[string]int)

Task/Pointers-and-references/Go/pointers-and-references-4.go

@@ -0,0 +1,4 @@
+b := []byte(“hello world”)
+c := b
+c[0] = 'H'
+fmt.Println(string(b))

Task/Pointers-and-references/Go/pointers-and-references-5.go

@@ -0,0 +1,4 @@
+func three() *int {
+    i := 3
+    return &i // valid.  no worry, no crash.
+}

Task/Pointers-and-references/Go/pointers-and-references-6.go

@@ -0,0 +1,5 @@
+type pt struct {
+    x, y int
+}
+
+return &pt{22, 79} // allocates a pt object and returns a pointer to it.