upload 49

49/examples/Cfor.mp

@@ -0,0 +1,27 @@
+for (i = 0; i < 5; i++) {  # 类似c语言的for循环， '()'必须要有
+    if (i > 4) { break }
+    if (i == 2) { continue }
+    printf("i is %d\n", i)
+}
+
+i = 0
+for (; i < 5; i++) {  # 无初期化语句
+    if (i > 4) { break }
+    if (i == 2) { continue }
+    printf("i is %d\n", i)
+}
+
+i = 0
+for (; i < 5;;) {  # 无初期化和更新语句
+    if (i > 4) { break }
+    if (i == 2) { i++ continue }
+    printf("i is %d\n", i)
+    i++ # 更新语句
+}
+
+i = 0
+for (;;;) {  # 等价于'for { block }'语句
+    if (i > 4) { break }
+    printf("i is %d\n", i)
+    i++ # 更新语句
+}

49/examples/basic.mp

@@ -0,0 +1,64 @@
+s1 = "hello, 黄"  # strings are UTF-8 encoded
+println(s1)
+
+三 = 3       # UTF-8 identifier
+println(三)
+
+i = 20000000         # int
+println(i)
+
+b = true               # bool
+println(b)
+
+a = [1, "2"]           # array
+println(a)
+
+if 1 in a {
+    println("1 in [1, \"2\"]")
+}
+if !(2 in a) {
+    println("2 not in [1, \"2\"]")
+}
+
+h = {"a": 1, "b": 2}   # hash
+println(h)
+
+if "b" in h {
+    println("\"b\" in h")
+}
+
+t = (1,2,3)            # tuple
+println(t)
+
+n = nil
+println(n)
+
+#printf builtin
+printf("2**3=%g, 2.34.floor=%.0f\n", 2.pow(3), 2.34.floor())
+
+/* this is a 
+   multiple assignment
+*/
+a, b, c = 2, false, ["x", "y", "z"]
+printf("a=%d,b=%t, c=%v\n", a, b, c)
+
+if "hello" in "hello world" {
+    println("\"hello\" in \"hello world\"")
+}
+
+nums = 1..10
+printf("nums = %s\n", nums)
+
+for item in 1..10 {
+    println(item)
+}
+
+println("--------------------------------")
+for item in 10..5 {
+    println(item)
+}
+
+println("--------------------------------")
+for item in fn(a,b){ a + b }(1,1) .. fn(a,b){ a - b }(10,5) { # 即 'for item in 2..5'
+    println(item)
+}

49/examples/basic2.mp

@@ -0,0 +1,42 @@
+println(10 < 25 < 30)
+println(10 < (10 + 15) <= 25)
+println(10 < 5 <= 8)
+println(10 <= 25 <= 25)
+println("abc" < "def" < "ghi")
+
+fn sum (x,y) { x + y }
+println(10 < sum(10, 15) <= 25)
+
+if 10 < 25 < 30 {
+    println("10 < 25 < 30")
+}
+
+if 10 < 25 <= 25 {
+    println("10 < 25 <= 25")
+}
+
+if 10 < 5 <= 8 {
+    println("10 < 5 <= 8")
+}
+
+if 10 <= 25 <= 25 {
+    println("10 <= 25 <= 25")
+}
+
+if 10 <= 25 != 30 {
+    println("10 <= 25 != 30")
+}
+
+if "abc" < "def" < "ghi" {
+    println("abc < def < ghi")
+}
+
+a = 12
+if 10 != a < 13 {
+    println("10 != a < 13")
+}
+
+#error
+#if "abc" < "def" < "ghi" < "jkl" {
+#    println("abc < def < ghi < jkl")
+#}

49/examples/cmd.mp

@@ -0,0 +1,33 @@
+/* 使用命令对象的方式的脚本代码 */
+res = `curl.exe -s https://api.ipify.org?format=json`
+if !res.ok() {
+  printf("An error occurred: %s\n", res)
+} else {
+  printf("res: %s\n", res)
+}
+
+date = `date /t`
+if !date.ok() {
+  printf("An error occurred: %s\n", res)
+} else {
+  printf("date: %s\n", date)
+}
+
+
+
+/* 使用返回多个值的方式的脚本代码
+res, ok = `curl.exe -s https://api.ipify.org?format=json`
+
+if !ok {
+  printf("An error occurred: %s\n", res)
+} else {
+  printf("res: %s\n", res)
+}
+
+res, ok = `date /t`
+if !ok {
+  printf("An error occurred: %s\n", res)
+} else {
+  printf("date: %s\n", res)
+}
+*/

49/examples/compound_assign_operators.mp

@@ -0,0 +1,17 @@
+a = 5
+a += 12
+
+b = 8
+b -= 3
+
+c = 12
+c *= 2
+
+d = 16
+d /= 2
+
+printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d)
+
+s = "hello"
+s += " world"
+println(s)

49/examples/control_flow.mp

@@ -0,0 +1,95 @@
+#if/else-if
+x = 12
+result = if x > 10 {2} else if x > 5 {3} else {4}
+println(result == 2)
+
+x = 10
+result = if x > 10 {2} else if x > 5 {3} else {4}
+println(result == 3)
+
+x = 3
+result = if x > 10 {2} else if x > 5 {3} else {4}
+println(result == 4)
+
+x = 8
+result = if x >= 8 {2} else if x > 5 {3} else {4}
+println(result == 2)
+
+x = 8
+result = if x <= 8 {2} else if x > 5 {3} else {4}
+println(result == 2)
+
+x = 8
+result = if x == 8 {2} else if x > 5 {3} else {4}
+println(result == 2)
+
+x = 8
+result = if x != 8 {2} else if x > 5 {3} else {4}
+println(result == 3)
+
+#for
+arr = [1, true, "Hello"]; 
+for item in arr {
+    println(item)
+} 
+println()
+
+for idx, item in arr {
+    if idx == 2 { break } 
+    println(item) 
+}
+println()
+
+hash = {"name": "huanghaifeng", "height": 165}
+for k, v in hash {
+    printf("key=%s, value=%v\n", k, v)
+}
+
+str = "Hello"
+for c in str {
+    println(c)
+}
+println()
+
+tup = (1, true, "Hello")
+for item in tup {
+    println(item)
+}
+println()
+
+for idx, item in tup {
+    if idx == 2 { break }
+    println(item)
+}
+println()
+
+#while
+x = 3
+while x-- > 0 {
+    println(x)
+}
+println()
+
+x = 5
+while x-- > 0 {
+    println(x)
+    if x == 2 { break }
+}
+println()
+
+x = 5
+while x-- > 0 {
+    if x == 4 { continue }
+    else if x == 2 { break }
+    println(x)
+}
+println()
+
+#do
+x = 3
+do {
+    x--
+    println(x)
+    if x == 1 { break }
+}
+println()

49/examples/decorator.mp

@@ -0,0 +1,23 @@
+fn timer(otherfn) {
+    return fn() {
+        println("timer start")
+        otherfn($_)
+        println("timer end")
+    }
+}
+
+fn log(otherfn) {
+    return fn() {
+        println("otherfn start")
+        otherfn($_)
+        println("otherfn end")
+    }
+}
+
+@log
+@timer
+fn sum(x, y) {
+    printf("%d + %d = %d\n", x, y, x+y)
+}
+
+sum(1,2)

49/examples/enhanchedHash.mp

@@ -0,0 +1,39 @@
+h = {"a": 1, "b": 2, "x":[12,34,56]}   # hash
+h.a = 10
+printf("h.a=%d\n", h.a)
+h.c= fn(x,y) { return x + y }
+println(h.c(2,3))
+h["d"] = "www"
+println(h.d)
+println(h.x[2])
+
+
+fn demo() {
+  h = {}
+  h.a = 10
+  h.b = 2
+  h.c = fn(x,y) { return x + y }
+  return h
+}
+
+hs = demo()
+printf("hs.a=%d\n", hs.a)
+println(hs.c(2,3))
+println(hs.b)
+
+//array, tuple & string
+a = [1, "hello world"]           // array
+println(a.1)
+a.1 = "hello"
+println(a.1)
+
+t = (1, "hello world")           // tuple
+println(t.1)
+
+
+s = "Hello World"                //string
+println(s.6)
+s.6 = "myz"
+println(s.6)
+println(s)
+

49/examples/file.mp

@@ -0,0 +1,28 @@
+file, err = open("./file.log", "w+")
+if err {
+    println(err)
+    os.exit(1)
+}
+
+file.writeLine("This is the first line")
+file.writeLine("This is the second line")
+file.writeString("这是第三行\n")
+file.close()
+
+
+printf("=====Reading file=====\n")
+file, err = open("./file.log", "r")
+if err {
+    println(err)
+    os.exit(1)
+}
+
+println(file.readLine())
+println(file.readLine())
+println(file.readLine())
+file.close()
+
+# stdin, stdout
+print("Please type your name:")
+name = stdin.readLine()
+stdout.writeLine("Hello " + name + "!")