From: acevest <zhaoyanbai@126.com>
Date: Sun, 4 Jan 2015 11:58:09 +0000 (+0800)
Subject: ...
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=932dbec61739d0d38f68991c5fd5e7b0c2bf7d1b;p=acecode.git

...
---

diff --git a/learn/go/hello/array.go b/learn/go/hello/array.go
new file mode 100644
index 0000000..11e9841
--- /dev/null
+++ b/learn/go/hello/array.go
@@ -0,0 +1,29 @@
+package main
+
+import "fmt"
+
+func main() {
+	var array [2]string
+	array[0] = "HELLO"
+	array[1] = "GO"
+
+	fmt.Println(array[0], array[1])
+	fmt.Println(array)
+
+	var a int = 1
+	fmt.Println(a)
+	b := [2]string{"haha", "hehe"}
+	var c [2]string = [2]string{"a", "b"}
+	// ERROR: var c [2]string = {"a", "b"}
+	fmt.Println(b)
+	fmt.Println(c)
+
+	// SLICE
+	d := []byte{'a', 'b', 'c'}
+	fmt.Println(d)
+	var e []string = []string{"a", "b", "c"}
+
+	for i := 0; i < len(e); i++ {
+		fmt.Println(e[i])
+	}
+}
diff --git a/learn/go/hello/hello.go b/learn/go/hello/hello.go
index 49c33d0..6e6f83d 100644
--- a/learn/go/hello/hello.go
+++ b/learn/go/hello/hello.go
@@ -4,9 +4,31 @@ import "fmt"
 import "math/rand"
 import "time"
 
+func GetStr() (string, string) {
+	const stra = "Hello"
+	const strb string = "World"
+	return stra, strb
+}
+
+func PrintType() {
+	var a int
+	var b int32
+	var c int64
+	var d uint32
+	var e float32
+	var f bool
+	var g complex64
+	var h complex128
+
+	fmt.Printf("%T %T %T %T %T %T %T %T\n", a, b, c, d, e, f, g, h)
+}
+
 func main() {
+	defer fmt.Println("----------------")
 	rand.Seed(time.Now().UnixNano())
-	for i := 0; i < rand.Intn(10); i++ {
-		fmt.Printf("Hello World\n")
+	for i := 0; i < rand.Intn(10)+1; i++ {
+		fmt.Println(GetStr())
 	}
+
+	PrintType()
 }
diff --git a/learn/go/hello/struct.go b/learn/go/hello/struct.go
new file mode 100644
index 0000000..b6bbc7d
--- /dev/null
+++ b/learn/go/hello/struct.go
@@ -0,0 +1,17 @@
+package main
+
+import "fmt"
+
+type Vertex struct {
+	X int
+	Y int
+}
+
+func main() {
+	v := Vertex{1, 2}
+	fmt.Println(v)
+
+	p := &v
+	p.X = 2
+	fmt.Println(v)
+}
diff --git a/learn/go/hello/switch.go b/learn/go/hello/switch.go
new file mode 100644
index 0000000..8a10f04
--- /dev/null
+++ b/learn/go/hello/switch.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"runtime"
+	"time"
+)
+
+func main() {
+	fmt.Print("Go runs on ")
+	switch os := runtime.GOOS; os {
+	case "darwin":
+		fmt.Println("OS X.")
+	case "linux":
+		fmt.Println("Linux.")
+	default:
+		// freebsd, openbsd,
+		// plan9, windows...
+		fmt.Printf("%s.", os)
+	}
+
+	t := time.Now()
+	switch {
+	case t.Hour() < 12:
+		fmt.Println("Good morning!")
+	case t.Hour() < 17:
+		fmt.Println("Good afternoon.")
+	default:
+		fmt.Println("Good evening.")
+	}
+
+}