libgo/go/text/scanner/example_test.go

   1 // Copyright 2015 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // +build ignore
   6
   7 package scanner_test
   8
   9 import (
  10         "fmt"
  11         "strings"
  12         "text/scanner"
  13 )
  14
  15 func Example() {
  16         const src = `
  17         // This is scanned code.
  18         if a > 10 {
  19                 someParsable = text
  20         }`
  21         var s scanner.Scanner
  22         s.Init(strings.NewReader(src))
  23         var tok rune
  24         for tok != scanner.EOF {
  25                 tok = s.Scan()
  26                 fmt.Println("At position", s.Pos(), ":", s.TokenText())
  27         }
  28
  29         // Output:
  30         // At position 3:4 : if
  31         // At position 3:6 : a
  32         // At position 3:8 : >
  33         // At position 3:11 : 10
  34         // At position 3:13 : {
  35         // At position 4:15 : someParsable
  36         // At position 4:17 : =
  37         // At position 4:22 : text
  38         // At position 5:3 : }
  39         // At position 5:3 :
  40 }