StringScanner#pos =():pos =()是一個StringScanner類方法,它設置掃描指針的字節位置。
用法:StringScanner.pos=()
參數:StringScanner值
返回:設置掃描指針的字節位置。
範例1:
# Ruby code for StringScanner.pos=() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("Mon Sep 12 2018 14:39")
# pos=() method
c.pos = 2
puts "#{c.rest}\n\n"
# pos=() method
c.pos = 20
puts "#{c.rest}\n\n"
輸出:
n Sep 12 2018 14:39 9
範例2:
# Ruby code for StringScanner.pos=() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("hellogeeks")
# pos=() method
c.pos = 2
puts "#{c.rest}\n\n"
# pos=() method
c.pos = 7
puts "#{c.rest}\n\n"
輸出:
llogeeks eks
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