Ruby StringScanner pos函数

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

语法。StringScanner.pos()

参数。StringScanner的值

返回：扫描指针的字节位置

例子 #1 :

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

输出:

String Scanner pos form : 0

String Scanner pos form : 21

例子 #2 :

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

输出:

String Scanner pos form : 0

String Scanner pos form : 10