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add: map as sets example

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Inanc Gumus
2019-05-05 19:04:27 +03:00
parent a40dc5b0a9
commit 7e2f318397
1 changed files with 12 additions and 9 deletions
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21
23-input-scanning/02-map-as-sets/main.go
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@ -24,21 +24,24 @@ func main() {
in := bufio.NewScanner(os.Stdin) in := bufio.NewScanner(os.Stdin)
in.Split(bufio.ScanWords) in.Split(bufio.ScanWords)
// index the words
words := make(map[string]bool) words := make(map[string]bool)
for in.Scan() { for in.Scan() {
words[in.Text()] = true words[in.Text()] = true
} }
// unnecessary
// if _, ok := words[query]; ok {
// ...
// }
// answer the user query
if words[query] { if words[query] {
fmt.Printf("The input contains %q word.\n", query) fmt.Printf("The input contains %q.\n", query)
return return
} }
fmt.Printf("Sorry. The input does contain %q word.\n", query) fmt.Printf("Sorry. The input does contain %q.\n", query)
// query := "sun"
// fmt.Println("sun:", words["sun"], "tesla:", words["tesla"])
// unnecessary
// if _, ok := words[query]; ok {
// fmt.Printf("The input contains %q.\n", query)
// return
// }
// fmt.Printf("Sorry. The input does contain %q.\n", query)
} }