2013-03: adding an old learning lunch

2013/03-golang-learning-lunch/5-neats/main.go

@@ -0,0 +1,24 @@
+package main
+
+import "fmt"
+
+func main() {
+  numbers := []int{1,7,3,8,2,4,5,4,9,0}
+
+  for i := range numbers {
+    fmt.Printf("index: %d\n", i)
+  }
+
+  for _, v := range numbers {
+    fmt.Printf("value: %d\n", v)
+  }
+
+  people := map[string]Person{}
+  people["shawking"] = Person{ Name: "Stephen Hawking", State: LIVING}
+  people["dritchie"] = Person{ Name: "Dennis Ritchie", State: DEAD}
+  for k,v := range people {
+    fmt.Printf("Key: %s; Object: %q\n", k, v)
+  }
+
+}
+

2013/03-golang-learning-lunch/5-neats/person.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+  "time"
+)
+
+const (
+  IN_UTERO = iota
+  NEW_BORN
+  GROWING
+  LIVING
+  DYING
+  DEAD
+)
+
+type Person struct {
+  Name string
+  Dob *time.Time
+  State byte
+}
+
+func (p *Person) DobString() string {
+  if (p.Dob == nil) {
+    return ""
+  }
+  return p.Dob.String()
+}
+
+func (p *Person) ComeToLife() {
+  t := time.Now()
+  p.Dob = &t
+  p.State = NEW_BORN
+}
+