Go Standard Library Cookbook

How to do it...

1. Open the console and create the folder chapter10/recipe01.
2. Navigate to the directory.
3. Create the file mutex.go with the following content:

        package main        import (          "fmt"          "sync"        )        var names = []string{"Alan", "Joe", "Jack", "Ben",                             "Ellen", "Lisa", "Carl", "Steve",                             "Anton", "Yo"}        type SyncList struct {          m sync.Mutex          slice []interface{}        }        func NewSyncList(cap int) *SyncList {          return &SyncList{            sync.Mutex{},            make([]interface{}, cap),          }        }        func (l *SyncList) Load(i int) interface{} {          l.m.Lock()          defer l.m.Unlock()          return l.slice[i]        }        func (l *SyncList) Append(val interface{}) {          l.m.Lock()          defer l.m.Unlock()          l.slice = append(l.slice, val)        }        func (l *SyncList) Store(i int, val interface{}) {          l.m.Lock()          defer l.m.Unlock() l.slice[i] ...