1 _null_stream.h

     1 /*

     2  * Copyright (c) 2000

     3  * Boris Fomitchev

     4  *

     5  * This material is provided "as is", with absolutely no warranty expressed

     6  * or implied. Any use is at your own risk.

     7  *

     8  * Permission to use or copy this software for any purpose is hereby granted 

     9  * without fee, provided the above notices are retained on all copies.

    10  * Permission to modify the code and to distribute modified code is granted,

    11  * provided the above notices are retained, and a notice that the code was

    12  * modified is included with the above copyright notice.

    13  *

    14  */

    15 

    16 #ifndef _STLP_NULL_STREAM_H

    17 # define _STLP_NULL_STREAM_H

    18 

    19 _STLP_BEGIN_NAMESPACE

    20 

    21 struct __null_stream 

    22 {

    23     void flush() { }

    24 };

    25 

    26 template <class _Tp>

    27 __null_stream& operator <<(__null_stream& __x, const _Tp& ) 

    28 {

    29     return __x;

    30 }

    31 

    32 template <class _Tp>

    33 __null_stream& operator >>(const _Tp&, __null_stream& __x ) 

    34 {

    35     return __x;

    36 }

    37 

    38 extern __null_stream cin, cout, cerr, endl, ws, hex, dec;

    39 

    40 _STLP_END_NAMESPACE

    41 

    42 # endif