restructure: arrays and slices

16-slices/06-slice-expressions/1-theory/main.go

@@ -0,0 +1,38 @@
+// 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 (
+	s "github.com/inancgumus/prettyslice"
+)
+
+func main() {
+	msg := []byte{'h', 'e', 'l', 'l', 'o'}
+	s.Show("msg", msg)
+
+	s.Show("msg[0:1]", msg[0:1])
+	s.Show("msg[0:2]", msg[0:2])
+	s.Show("msg[0:3]", msg[0:3])
+	s.Show("msg[0:4]", msg[0:4])
+	s.Show("msg[0:5]", msg[0:5])
+
+	// default indexes
+	s.Show("msg[0:]", msg[0:])
+	s.Show("msg[:5]", msg[:5])
+	s.Show("msg[:]", msg[:])
+
+	// error: beyond
+	// s.Show("msg", msg)[:6]
+
+	s.Show("msg[1:4]", msg[1:4])
+
+	s.Show("msg[1:5]", msg[1:5])
+	s.Show("msg[1:]", msg[1:])
+
+	s.Show("append(msg)", append(msg[:4], '!'))
+}