红宝石 | StringScanner 指针函数

StringScanner#pointer() : pointer()是一个 StringScanner 类方法，它返回扫描指针的字节位置

Syntax: StringScanner.pointer()

Parameter: StringScanner values

Return: the byte position of the scan pointer

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