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Ruby StringScanner eos?用法及代碼示例

StringScanner#eos?():eos?()是一個StringScanner類方法,它檢查掃描指針是否在字符串的末尾。

用法:StringScanner.eos?()

參數:StringScanner值


返回:如果掃描指針位於字符串的末尾,則為true,否則返回false

範例1:

# Ruby code for StringIO.eos?() method 
  
# loading StringIO 
require 'strscan'
  
# declaring StringIO  
c = StringScanner.new("Fri Dec 12 1975 14:39") 
  
# eos?() method 
puts "String Scanner eos? form:#{c.eos?()}\n\n"

輸出:

String Scanner eos? form:false

範例2:

# Ruby code for StringIO.eos?() method 
  
# loading StringIO 
require 'strscan'
  
# declaring StringIO  
c = StringScanner.new("hellogeeks") 
  
# stringIO is terminated 
c.terminate 
  
# eos?() method 
puts "String Scanner eos? form:#{c.eos?()}\n\n"

輸出:

String Scanner eos? form:true


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