Ruby StringScanner pointer函数

StringScanner#pointer() : pointer()是StringScanner类的一个方法，用于返回扫描指针的字节位置

语法。StringScanner.pointer()

参数。StringScanner的值

返回：扫描指针的字节位置

例子 #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

例子 #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