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         s.Filename = "example"
  24         for tok := s.Scan(); tok != scanner.EOF; tok = s.Scan() {
  25                 fmt.Printf("%s: %s\n", s.Position, s.TokenText())
  26         }
  27
  28         // Output:
  29         // example:3:1: if
  30         // example:3:4: a
  31         // example:3:6: >
  32         // example:3:8: 10
  33         // example:3:11: {
  34         // example:4:2: someParsable
  35         // example:4:15: =
  36         // example:4:17: text
  37         // example:5:1: }
  38 }