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d14efe561b
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/meta/convertible.h
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// Purpose: Test if types are convertible
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// Author: Arne Steinarson
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// Created: 2008-01-10
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// RCS-ID: $Id: convertible.h 61724 2009-08-21 10:41:26Z VZ $
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// Copyright: (c) 2008 Arne Steinarson
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_META_CONVERTIBLE_H_
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#define _WX_META_CONVERTIBLE_H_
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//
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// Introduce an extra class to make this header compilable with g++3.2
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//
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template <class D, class B>
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struct wxConvertibleTo_SizeHelper
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{
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static char Match(B* pb);
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static int Match(...);
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};
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// Helper to decide if an object of type D is convertible to type B (the test
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// succeeds in particular when D derives from B)
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template <class D, class B>
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struct wxConvertibleTo
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{
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enum
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{
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value =
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sizeof(wxConvertibleTo_SizeHelper<D,B>::Match(static_cast<D*>(NULL)))
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==
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sizeof(char)
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};
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};
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#endif // _WX_META_CONVERTIBLE_H_
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