t_1_023.cpp

来自「C++的一个好库。。。现在很流行」· C++ 代码 · 共 21 行

/*=============================================================================
    Boost.Wave: A Standard compliant C++ preprocessor library
    http://www.boost.org/

    Copyright (c) 2001-2005 Hartmut Kaiser. Distributed under the Boost
    Software License, Version 1.0. (See accompanying file
    LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/

// Tests, if function-like macros buried deep inside a macro expansion of the
// same name as an object-like macro do not eat up more tokens, than expected.

#define PRIMITIVE_CAT(a, b) a ## b

#define EAT(n) PRIMITIVE_CAT(EAT_, n)
#define EAT_1(a)

//R #line 20 "t_1_023.cpp"
//R EAT_1...
EAT(1)...