/
main.go
66 lines (45 loc) · 813 Bytes
/
main.go
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package main
import (
"fmt"
"strings"
"text/scanner"
)
func main() {
Sample("Next", Next)
Sample("Scan", Scan)
}
func Next() {
reader := strings.NewReader("Hello, there!")
scn := scanner.Scanner{}
scn.Init(reader)
var items []string
for {
rn := scn.Next()
if rn == scanner.EOF {
break
}
str := scanner.TokenString(rn)
items = append(items, str)
}
fmt.Println(strings.Join(items, ", "))
}
func Scan() {
reader := strings.NewReader("Hello, there!")
scn := scanner.Scanner{}
scn.Init(reader)
var items []string
for {
rn := scn.Scan()
if rn == scanner.EOF {
break
}
str := scanner.TokenString(rn)
items = append(items, str)
}
fmt.Println(strings.Join(items, ", "))
}
func Sample(name string, fn func()) {
fmt.Println(">", name)
fn()
fmt.Println()
}