Initial commit

16-strings-revisited/01-byte/main.go

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+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import "fmt"
+
+func main() {
+	var g, o rune
+
+	g, o = 'g', 'o'
+	g, o = 103, 111
+	g, o = 0x67, 0x6f
+	g, o = '\U00000067', '\U0000006f'
+	g, o = '\u0067', '\u006f'
+	g, o = '\x67', '\x6f'
+
+	fmt.Println("codepoints")
+	fmt.Printf("  dec       : %d %d\n", g, o)
+	fmt.Printf("  hex       : %x %x\n", g, o)
+	fmt.Printf("  unicode   : %U %U\n", g, o)
+	fmt.Printf("  chars     : %c %c\n", g, o)
+
+	// g++
+	// o -= 6
+
+	g -= 'a' - 'A'
+	o -= 'a' - 'A'
+
+	fmt.Println("codepoints")
+	fmt.Printf("  dec       : %d %d\n", g, o)
+	fmt.Printf("  hex       : %x %x\n", g, o)
+	fmt.Printf("  unicode   : %U %U\n", g, o)
+	fmt.Printf("  chars     : %c %c\n", g, o)
+
+	// string representations
+	// fmt.Print("string()    : ", string(g), string(o), "\n")
+	// fmt.Print("hex 1 byte  : \x67\x6f \n")
+	// fmt.Print("hex 2 bytes : \u0067\u006f \n")
+	// fmt.Print("hex 4 bytes : \U00000067\U0000006f \n")
+}