Merge pull request #5 from tainguyenbp/feat/learning-hacking-with-golang

learning golang function

Author: tainguyenbp

golang-basic/s3-minio/readme.md

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+## push file to minio object

hacking-go/learn01/hello.go

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+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("Hello World tainguyenbp!")
+}

hacking-go/learn01/readme.md

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+### 01 - Setting up a Go development environment

hacking-go/learn02/functions.go

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+package main
+
+import "fmt"
+
+func multiply(x int, y int) int {
+	return x * y
+
+}
+
+func multiplys(x int, y int) int {
+	var z int
+	z = x * y
+	return z
+}
+
+func addTwo(x int, y int) (int, int) {
+	return x + 2, y + 2
+}
+
+func addTwos(x, y int) (int, int) {
+	return x + 2, y + 2
+}
+
+func addTwo2(x int, y int) (xPlusTwo int, yPlusTwo int) {
+	xPlusTwo = x + 2
+	yPlusTwo = y + 2
+	return xPlusTwo, yPlusTwo
+}
+
+func init() {
+	fmt.Println("Executing init function!")
+}
+
+func main() {
+
+	fmt.Println("multiply: ", multiply(10, 20))
+	fmt.Println("multiplys: ", multiplys(10, 30))
+
+	addTwo_x, addTwo_y := addTwo(5, 10)
+
+	addTwos_x, addTwos_y := addTwos(9, 8)
+
+	fmt.Println(addTwo(5, 10))
+	fmt.Println("addTwo: ", addTwo_x, addTwo_y)
+
+	fmt.Println(addTwos(9, 8))
+	fmt.Println("addTwos: ", addTwos_x, addTwos_y)
+
+	addTwo2_x, addTwo2_y := addTwo2(7, 7)
+	fmt.Println(addTwo2(20, 30))
+	fmt.Println("addTwo2: ", addTwo2_x, addTwo2_y)
+
+	fmt.Println("Executing main!")
+}

hacking-go/learn02/packages.go

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+import (
+	"fmt"
+	"math/rand"
+	"otherimport"
+)
+
+
+func main() {
+	fmt.Println("Hello World tainguyenbp!")
+}

hacking-go/learn02/readme.md

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+### 02.1 - Packages, functions, variables, basic types, casting and constants
+
+
+
+```
+init function
+init function is used to set up the state. A common practice is to declare flags in it.
+1. Imported packages are initialized.
+2. Variable declarations evaluate their initializers.
+3. init function execute
+```

hacking-go/learn02/variables/variables.go

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+package main
+
+import "fmt"
+
+func main() {
+	var a, b int = 10, 20
+
+	var d int = 100
+	var f int = 200
+
+	var sampleInt, sampleBoolean, sampleString = 50, true,
+		"Hello tainguyenbp"
+
+	var sampleInt_single = 50
+	var sampleBoolean_single = false
+	var sampleString_single = "Hello tainguyen"
+
+	fmt.Println("value variable is: ", a, b, d, f, sampleInt, sampleBoolean, sampleString)
+	fmt.Println("value variable single is: ", sampleInt_single, sampleBoolean_single, sampleString_single)
+
+}

hacking-go/learn03/readme.md

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+### 02.2 - for, if, else, switch and defer

hacking-go/readme.md

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+### Hacking with Go