add: slice internals last lectures

16-slices/10-slice-internals-3-len-cap/1-theory/main.go

@@ -0,0 +1,31 @@
+// 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"
+
+	s "github.com/inancgumus/prettyslice"
+)
+
+func main() {
+	s.MaxPerLine = 6
+	s.PrintBacking = true
+
+	ages := []int{35, 15, 25}
+	s.Show("ages", ages)
+
+	s.Show("ages[0:0]", ages[0:0])
+
+	for i := 1; i < 4; i++ {
+		txt := fmt.Sprintf("ages[%d:%d]", 0, i)
+		s.Show(txt, ages[0:i])
+	}
+
+	s.Show("append", append(ages, 50))
+}