add: slice adv. ops. exercises

16-slices/exercises/22-adv-ops-practice/solution/main.go

@@ -0,0 +1,71 @@
+// 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() {
+	s.PrintBacking = true
+	s.MaxPerLine = 10
+	s.Width = 60
+
+	//
+	// #1
+	//
+
+	names := make([]string, 5)
+	s.Show("1st step", names)
+
+	//
+	// #2
+	//
+
+	names = append(names, "einstein", "tesla", "aristo")
+	s.Show("2nd step", names)
+
+	//
+	// #3
+	//
+	names = make([]string, 0, 5)
+	names = append(names, "einstein", "tesla", "aristo")
+	s.Show("3rd step", names)
+
+	//
+	// #4
+	//
+
+	moreNames := [...]string{"plato", "khayyam", "ptolemy"}
+	copy(names[3:5], moreNames[:2])
+	names = names[:cap(names)]
+
+	s.Show("4th step", names)
+
+	//
+	// #5
+	//
+
+	clone := make([]string, 3, 5)
+	copy(clone, names[len(names)-3:])
+	s.Show("5th step (before append)", clone)
+
+	clone = append(clone, names[:2]...)
+	s.Show("5th step (after append)", clone)
+
+	//
+	// #6
+	//
+
+	sliced := clone[1:4:4]
+	sliced = append(sliced, "hypatia")
+
+	clone[2] = "elder"
+
+	s.Show("6th step", clone, sliced)
+}