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 程式師世界 >> 編程語言 >> C語言 >> C >> C語言基礎知識 >> References and arrays

References and arrays

編輯:C語言基礎知識

  PROBLEM: [email protected] (Andrew J. Jackson)
  
   I'm inquiring on how to declare a reference to an array of integers
  
  
   RESPONS: Efim Birger ([email protected])
  
   try this:
  
   typedef int *intp;
   int arr[10];
   intp& aaa = arr;
  
  
   RESPONSE: [email protected] (Fergus Henderson), 11 Aug 94
  
   This code is illegal. `aaa' is a (non-const) reference to a pointer to int.
   `arr' is an array of int, which will be converted to a pointer to int.
   The result of that conversion is a temporary.
   You are initializing a non-const reference with a temporary, which is illegal.
  
  
   RESPONSE: [email protected] (Bernd Eggink)
  
   There is no sUCh thing as a reference to an array.
  
  
   RESPONSE: [email protected] (Fergus Henderson)
  
   There most certainly is.
   (An array of references is illegal, but a reference to an array is quite OK.)
 
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