Ruby StringScanner rest?用法及代碼示例

StringScanner＃rest？()：rest？()是一個StringScanner類方法，它檢查字符串中是否還有更多數據

用法：StringScanner.rest?()

參數：StringScanner值

返回：如果字符串中有更多數據，則為true，否則返回false

範例1：

# Ruby code for StringScanner.rest?() method 
  
# loading StringScanner 
require 'strscan'
  
# declaring StringScanner  
c = StringScanner.new("Mon Sep 12 2018 14:39") 
  
# rest?() method 
c.pos = 2
puts "String Scanner rest? form:#{c.rest?}\n\n"
  
# rest?() method 
c.pos = 7
puts "String Scanner rest? form:#{c.rest?}\n\n"

輸出：

String Scanner rest? form:true

String Scanner rest? form:true

範例2：

# Ruby code for StringScanner.rest?() method 
  
# loading StringScanner 
require 'strscan'
  
# declaring StringScanner  
c = StringScanner.new("hellogeeks") 
  
# rest?() method 
c.pos = 2
puts "String Scanner rest? form:#{c.rest?}\n\n"
  
# rest?() method 
c.pos = 3
puts "String Scanner rest? form:#{c.rest?}\n\n"

輸出：

String Scanner rest? form:true

String Scanner rest? form:true

相關用法

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