Initial commit

15-slices/02-append/01-theory/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 (
+	s "github.com/inancgumus/prettyslice"
+)
+
+func main() {
+	nums := []int{1, 2, 3}
+	s.Show("nums := []int{1, 2, 3}", nums)
+
+	// -----------------------------------------------------
+	nums = append(nums, 4)
+	s.Show("append(nums, 4)", nums)
+
+	// -----------------------------------------------------
+	nums = append(nums, 9)
+	s.Show("append(nums, 9)", nums)
+
+	// -----------------------------------------------------
+	// let's reset nums
+	// and let's add multiple elements
+	nums = []int{1, 2, 3}
+	s.Show("nums = []int{1, 2, 3}", nums)
+
+	nums = append(nums, 4, 9)
+	s.Show("append(nums, 4, 9)", nums)
+
+	// -----------------------------------------------------
+	// let's reset nums again
+	// let's add multiple elements using the ellipsis
+	nums = []int{1, 2, 3}
+	tens := []int{12, 13}
+
+	s.Show("nums = []int{1, 2, 3}", nums)
+	s.Show("tens := []int{12, 13}", tens)
+
+	nums = append(nums, tens...)
+	s.Show("append(nums, tens...)", nums)
+}