Exercises & activities from the go workshop provided by Packt: https://courses.packtpub.com/courses/go
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82 lines
1.4 KiB
82 lines
1.4 KiB
package main
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import "fmt"
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func linked() (int, int, int) {
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s1 := []int{1, 2, 3, 4, 5}
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s2 := s1
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s3 := s1[:]
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s1[3] = 99
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return s1[3], s2[3], s3[3]
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}
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func noLink() (int, int) {
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s1 := []int{1, 2, 3, 4, 5}
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s2 := s1
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s1 = append(s1, 6)
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s1[3] = 99
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return s1[3], s2[3]
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}
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func capLinked() (int, int) {
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s1 := make([]int, 5, 10)
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s1[0], s1[1], s1[2], s1[3], s1[4] = 1, 2, 3, 4, 5
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s2 := s1
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s1 = append(s1, 6)
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s1[3] = 99
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return s1[3], s2[3]
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}
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func capNoLink() (int, int) {
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s1 := make([]int, 5, 10)
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s1[0], s1[1], s1[2], s1[3], s1[4] = 1, 2, 3, 4, 5
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s2 := s1
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s1 = append(s1, []int{10: 11}...)
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s1[3] = 99
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return s1[3], s2[3]
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}
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func copyNoLink() (int, int, int) {
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s1 := []int{1, 2, 3, 4, 5}
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s2 := make([]int, len(s1))
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copied := copy(s2, s1)
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s1[3] = 99
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return s1[3], s2[3], copied
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}
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func appendNoLink() (int, int) {
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s1 := []int{1, 2, 3, 4, 5}
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s2 := append([]int{}, s1...)
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s1[3] = 99
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return s1[3], s2[3]
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}
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func main() {
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l1, l2, l3 := linked()
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fmt.Println("Linked: ", l1, l2, l3)
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nl1, nl2 := noLink()
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fmt.Println("No Link: ", nl1, nl2)
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cl1, cl2 := capLinked()
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fmt.Println("Cap Linked: ", cl1, cl2)
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cn1, cn2 := capNoLink()
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fmt.Println("Cap no Link: ", cn1, cn2)
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copy1, copy2, copied := copyNoLink()
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fmt.Print("Copy No Link: ", copy1, copy2)
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fmt.Printf(" (Number of elements copied: %v\n", copied)
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a1, a2 := appendNoLink()
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fmt.Println("Append No Link: ", a1, a2)
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}
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