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authorLorry Tar Creator <lorry-tar-importer@baserock.org>2013-06-25 22:59:01 +0000
committer <>2013-09-27 11:49:28 +0000
commit8c4528713d907ee2cfd3bfcbbad272c749867f84 (patch)
treec09e2ce80f47b90c85cc720f5139089ad9c8cfff /libs/local_function/test/same_line_seq.cpp
downloadboost-tarball-baserock/morph.tar.gz
Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_54_0.tar.bz2.boost_1_54_0baserock/morph
Diffstat (limited to 'libs/local_function/test/same_line_seq.cpp')
-rw-r--r--libs/local_function/test/same_line_seq.cpp48
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diff --git a/libs/local_function/test/same_line_seq.cpp b/libs/local_function/test/same_line_seq.cpp
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+
+// Copyright (C) 2009-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://www.boost.org/libs/local_function
+
+#include <boost/local_function.hpp>
+#include <boost/preprocessor/cat.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <iostream>
+
+#define LOCAL_INC_DEC(offset) \
+ int BOOST_LOCAL_FUNCTION_ID(BOOST_PP_CAT(inc, __LINE__), /* unique ID */ \
+ (const bind offset) (const int x) ) { \
+ return x + offset; \
+ } BOOST_LOCAL_FUNCTION_NAME(inc) \
+ \
+ int BOOST_LOCAL_FUNCTION_ID(BOOST_PP_CAT(dec, __LINE__), \
+ (const bind offset) (const int x) ) { \
+ return x - offset; \
+ } BOOST_LOCAL_FUNCTION_NAME(dec)
+
+#define LOCAL_INC_DEC_TPL(offset) \
+ T BOOST_LOCAL_FUNCTION_ID_TPL(BOOST_PP_CAT(inc, __LINE__), \
+ (const bind offset) (const T x) ) { \
+ return x + offset; \
+ } BOOST_LOCAL_FUNCTION_NAME_TPL(inc) \
+ \
+ T BOOST_LOCAL_FUNCTION_ID_TPL(BOOST_PP_CAT(dec, __LINE__), \
+ (const bind offset) (const T x) ) { \
+ return x - offset; \
+ } BOOST_LOCAL_FUNCTION_NAME_TPL(dec)
+
+template<typename T>
+void f(T& delta) {
+ LOCAL_INC_DEC_TPL(delta) // Multiple local functions on same line.
+ BOOST_TEST(dec(inc(123)) == 123);
+}
+
+int main(void) {
+ int delta = 10;
+ LOCAL_INC_DEC(delta) // Declare local functions on same line using `_ID`.
+ BOOST_TEST(dec(inc(123)) == 123);
+ f(delta);
+ return boost::report_errors();
+}
+