StringScanner#pointer =():pointer =()是一个StringScanner类方法,它设置扫描指针的字节位置。
用法:StringScanner.pointer=()
参数:StringScanner值
返回:设置扫描指针的字节指针。
范例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
范例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
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注:本文由纯净天空筛选整理自mayank5326大神的英文原创作品 Ruby | StringScanner pointer= function。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。