红宝石 | StringScanner 指针=函数

StringScanner#pointer=() : pointer=()是一个 StringScanner 类方法，它设置扫描指针的字节位置。

Syntax: StringScanner.pointer=()

Parameter: StringScanner values

Return: sets the byte pointerition 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
c.pointer = 2
  
puts "#{c.rest}\n\n"
  
# pointer=() method
c.pointer = 20
  
puts "#{c.rest}\n\n"

输出 ：

n Sep 12 2018 14:39

9

示例 #2：

# Ruby code for StringScanner.pointer=() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("hellogeeks")
  
# pointer=() method
c.pointer = 2
  
puts "#{c.rest}\n\n"
  
# pointer=() method
c.pointer = 7
  
puts "#{c.rest}\n\n"

输出 ：

llogeeks

eks