Ruby StringScanner pointer用法及代码示例

StringScanner＃pointer()：pointer()是StringScanner类方法，它返回扫描指针的字节位置

用法：StringScanner.pointer()

参数：StringScanner值

返回：扫描指针的字节位置

示例1:

# Ruby code for StringScanner.pointer() method 
  
# loading StringScanner 
require 'strscan'
  
# declaring StringScanner  
c = StringScanner.new("Mon Sep 12 2018 14:39") 
  
# pointer() method 
puts "String Scanner pointer form : #{c.pointer()}\n\n"
  
c.terminate() 
# pointer() method 
puts "String Scanner pointer form : #{c.pointer()}\n\n"

输出：

String Scanner pointer form : 0

String Scanner pointer form : 21

示例2:

# Ruby code for StringScanner.pointer() method 
  
# loading StringScanner 
require 'strscan'
  
# declaring StringScanner  
c = StringScanner.new("hellogeeks") 
  
  
# pointer() method 
puts "String Scanner pointer form : #{c.pointer()}\n\n"
  
c.terminate() 
# pointer() method 
puts "String Scanner pointer form : #{c.pointer()}\n\n"

输出：

String Scanner pointer form : 0

String Scanner pointer form : 10

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注：本文由纯净天空筛选整理自mayank5326大神的英文原创作品 Ruby | StringScanner pointer function。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。