Ruby StringScanner pos用法及代碼示例

StringScanner＃pos()：pos()是StringScanner類方法，它返回掃描指針的字節位置

用法：StringScanner.pos()

參數：StringScanner值

返回：掃描指針的字節位置

示例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"

輸出：

String Scanner pos form : 0

String Scanner pos form : 21

示例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"

輸出：

String Scanner pos form : 0

String Scanner pos form : 10

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