9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
109 lines
3.0 KiB
Plaintext
109 lines
3.0 KiB
Plaintext
/*
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* Testing the operators-overloading feature
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*
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* Copyright 2000 Antonio Linares <alinares@fivetech.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#include "hbclass.ch"
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// Right now you can overload operators with Harbour
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// as C++ does!!! Not all operators are available. ASAP we will provide all
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// of them.
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//
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PROCEDURE Main()
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LOCAL oCar := TCar():New( "red", 2 )
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LOCAL oPetrol := NIL
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oCar := oCar + oPetrol
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HB_SYMBOL_UNUSED( oCar )
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RETURN
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//
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CREATE CLASS TCar
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VAR cColor
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VAR nDoors
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VAR oGas
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METHOD New( cColor, nDoors ) CONSTRUCTOR
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METHOD SUM( oObject ) OPERATOR '+'
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ENDCLASS
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//
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METHOD New( cColor, nDoors ) CLASS TCar
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IF cColor == NIL
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cColor := "White"
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ENDIF
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IF nDoors == NIL
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nDoors := 4
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ENDIF
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::cColor := cColor
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::nDoors := nDoors
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RETURN Self
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//
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METHOD SUM( oObject ) CLASS TCar
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HB_SYMBOL_UNUSED( oObject )
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Alert( "+ has a special meaning and " + ;
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"functionality for TCar Class objects!!!" )
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RETURN NIL
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//
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