61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2014-2015 Free Software Foundation, Inc.
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* One could use unique_ptr instead, but that requires a GCC which can
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support "-std=c++11". */
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template <typename T>
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class smart_ptr
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{
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public:
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smart_ptr (T *obj) : _obj (obj) { }
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~smart_ptr () { delete _obj; }
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T *operator-> ();
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private:
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T *_obj;
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};
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template <typename T>
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T *
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smart_ptr<T>::operator-> ()
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{
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return _obj;
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}
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class A
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{
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public:
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virtual int func ();
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};
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int
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A::func ()
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{
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return 3;
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}
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int
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main ()
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{
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A *a_ptr = 0;
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smart_ptr<A> a (new A);
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return a->func(); /* Break here */
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}
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