[Dev-C++] how this program works?

[vinay k. <vch...@ya...>]

Hello All,

The following program copies the content of the file
on to cout.

ifstream ifile ("example_file"); 
copy (istream_iterator <int, ptrdiff_t> (ifile), 
		 istream_iterator<int, ptrdiff_t> (),
	 	 ostream_iterator<int> (cout) );

could some one tell me how this program works?

Regards
Vinay.

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