mirror of
https://github.com/boostorg/compat.git
synced 2026-01-19 04:02:16 +00:00
Add invoke_r
This commit is contained in:
Peter Dimov
@@ -61,6 +61,24 @@ template<class F, class... A> struct is_nothrow_invocable: conditional_t< is_inv
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#endif
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// invoke_r
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template<class R, class F, class... A, class En = enable_if_t<
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std::is_void<R>::value && is_invocable<F, A...>::value>>
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constexpr R invoke_r( F&& f, A&&... a )
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noexcept( is_nothrow_invocable<F, A...>::value )
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{
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compat::invoke( std::forward<F>(f), std::forward<A>(a)... );
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}
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template<class R, class F, class... A, class = void, class En = enable_if_t<
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!std::is_void<R>::value && std::is_convertible< invoke_result_t<F, A...>, R >::value >>
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constexpr R invoke_r( F&& f, A&&... a )
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noexcept( noexcept( static_cast<R>( compat::invoke( std::forward<F>(f), std::forward<A>(a)... ) ) ) )
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{
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return compat::invoke( std::forward<F>(f), std::forward<A>(a)... );
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}
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} // namespace compat
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} // namespace boost
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@@ -74,3 +74,8 @@ compile bind_back_fn_constexpr_test.cpp ;
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compile bind_back_obj_constexpr_test.cpp ;
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compile bind_back_mfn_constexpr_test.cpp ;
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compile bind_back_md_constexpr_test.cpp ;
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run invoke_r_fn_test.cpp ;
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run invoke_r_obj_test.cpp ;
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run invoke_r_mfn_test.cpp ;
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run invoke_r_md_test.cpp ;
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45
test/invoke_r_fn_test.cpp
Normal file
45
test/invoke_r_fn_test.cpp
Normal file
@@ -0,0 +1,45 @@
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// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#if defined(__GNUC__) && __GNUC__ == 7
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# pragma GCC diagnostic ignored "-Wnoexcept-type"
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#endif
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#include <boost/compat/invoke.hpp>
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#include <boost/core/lightweight_test.hpp>
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int f0()
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{
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return -1;
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}
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int f1( int x1 ) noexcept
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{
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return x1;
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}
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int f2( int x1, int x2 )
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{
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return 10*x1+x2;
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}
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int f3( int x1, int x2, int x3 ) noexcept
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{
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return 100*x1 + 10*x2 + x3;
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}
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int main()
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f0 ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f1, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f2, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f3, 1, 2, 3 ), 123 );
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boost::compat::invoke_r<void>( f0 );
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boost::compat::invoke_r<void>( f1, 1 );
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boost::compat::invoke_r<void>( f2, 1, 2 );
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boost::compat::invoke_r<void>( f3, 1, 2, 3 );
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return boost::report_errors();
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}
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131
test/invoke_r_md_test.cpp
Normal file
131
test/invoke_r_md_test.cpp
Normal file
@@ -0,0 +1,131 @@
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// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/compat/invoke.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <functional>
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struct X
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{
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int m = -1;
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};
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struct Y: public virtual X
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{
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};
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int main()
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{
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, X() ), -1 );
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}
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, Y() ), -1 );
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}
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{
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X x;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, x ), -1 );
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boost::compat::invoke_r<int&>( &X::m, x ) = +1;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, x ), +1 );
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boost::compat::invoke_r<void>( &X::m, x );
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}
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{
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X x;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, &x ), -1 );
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boost::compat::invoke_r<int&>( &X::m, &x ) = +1;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, &x ), +1 );
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boost::compat::invoke_r<void>( &X::m, &x );
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}
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{
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X x;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, std::ref(x) ), -1 );
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boost::compat::invoke_r<int&>( &X::m, std::ref(x) ) = +1;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, std::ref(x) ), +1 );
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boost::compat::invoke_r<void>( &X::m, std::ref(x) );
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}
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{
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X x;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, std::cref(x) ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, std::cref(x) ), -1 );
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boost::compat::invoke_r<void>( &X::m, std::cref(x) );
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}
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{
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Y y;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, y ), -1 );
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boost::compat::invoke_r<int&>( &X::m, y ) = +1;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, y ), +1 );
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boost::compat::invoke_r<void>( &X::m, y );
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}
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{
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Y y;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, &y ), -1 );
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boost::compat::invoke_r<int&>( &X::m, &y ) = +1;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, &y ), +1 );
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boost::compat::invoke_r<void>( &X::m, &y );
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}
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{
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Y y;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, std::ref(y) ), -1 );
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boost::compat::invoke_r<int&>( &X::m, std::ref(y) ) = +1;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, std::ref(y) ), +1 );
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boost::compat::invoke_r<void>( &X::m, std::ref(y) );
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}
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{
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Y y;
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, std::cref(y) ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, std::cref(y) ), -1 );
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boost::compat::invoke_r<void>( &X::m, std::cref(y) );
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}
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{
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X const x = {};
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, x ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, x ), -1 );
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boost::compat::invoke_r<void>( &X::m, x );
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, &x ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, &x ), -1 );
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boost::compat::invoke_r<void>( &X::m, &x );
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, std::ref(x) ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, std::ref(x) ), -1 );
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boost::compat::invoke_r<void>( &X::m, std::ref(x) );
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}
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{
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Y const y = {};
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, y ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, y ), -1 );
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boost::compat::invoke_r<void>( &X::m, y );
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, &y ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, &y ), -1 );
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boost::compat::invoke_r<void>( &X::m, &y );
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BOOST_TEST_EQ( boost::compat::invoke_r<int const&>( &X::m, std::ref(y) ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::m, std::ref(y) ), -1 );
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boost::compat::invoke_r<void>( &X::m, std::ref(y) );
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}
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return boost::report_errors();
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}
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211
test/invoke_r_mfn_test.cpp
Normal file
211
test/invoke_r_mfn_test.cpp
Normal file
@@ -0,0 +1,211 @@
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// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#if defined(__GNUC__) && __GNUC__ == 7
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# pragma GCC diagnostic ignored "-Wnoexcept-type"
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#endif
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#include <boost/compat/invoke.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <functional>
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struct X
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{
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int f0()
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{
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return -1;
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}
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int f1( int x1 ) noexcept
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{
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return x1;
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}
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int f2( int x1, int x2 ) const
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{
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return 10*x1+x2;
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}
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int f3( int x1, int x2, int x3 ) const noexcept
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{
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return 100*x1 + 10*x2 + x3;
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}
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};
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struct Y: public virtual X
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{
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};
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int main()
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{
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, X() ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, X(), 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, X(), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, X(), 1, 2, 3 ), 123 );
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}
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, Y() ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, Y(), 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, Y(), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, Y(), 1, 2, 3 ), 123 );
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}
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{
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X x;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, x ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, x, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, &x ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, &x, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, &x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, &x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, std::ref(x) ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, std::ref(x), 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, std::ref(x), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, std::ref(x), 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, std::cref(x), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, std::cref(x), 1, 2, 3 ), 123 );
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}
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{
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Y y;
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, y ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, y, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, y, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, y, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, &y ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, &y, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, &y, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, &y, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f0, std::ref(y) ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f1, std::ref(y), 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, std::ref(y), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, std::ref(y), 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, std::cref(y), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, std::cref(y), 1, 2, 3 ), 123 );
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}
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{
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X const x = {};
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, &x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, &x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, std::ref(x), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, std::ref(x), 1, 2, 3 ), 123 );
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}
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{
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Y const y = {};
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, y, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, y, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, &y, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, &y, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f2, std::ref(y), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( &X::f3, std::ref(y), 1, 2, 3 ), 123 );
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}
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{
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boost::compat::invoke_r<void>( &X::f0, X() );
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boost::compat::invoke_r<void>( &X::f1, X(), 1 );
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boost::compat::invoke_r<void>( &X::f2, X(), 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, X(), 1, 2, 3 );
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}
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{
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boost::compat::invoke_r<void>( &X::f0, Y() );
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boost::compat::invoke_r<void>( &X::f1, Y(), 1 );
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boost::compat::invoke_r<void>( &X::f2, Y(), 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, Y(), 1, 2, 3 );
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}
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{
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X x;
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boost::compat::invoke_r<void>( &X::f0, x );
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boost::compat::invoke_r<void>( &X::f1, x, 1 );
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boost::compat::invoke_r<void>( &X::f2, x, 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, x, 1, 2, 3 );
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boost::compat::invoke_r<void>( &X::f0, &x );
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boost::compat::invoke_r<void>( &X::f1, &x, 1 );
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boost::compat::invoke_r<void>( &X::f2, &x, 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, &x, 1, 2, 3 );
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boost::compat::invoke_r<void>( &X::f0, std::ref(x) );
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boost::compat::invoke_r<void>( &X::f1, std::ref(x), 1 );
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boost::compat::invoke_r<void>( &X::f2, std::ref(x), 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, std::ref(x), 1, 2, 3 );
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boost::compat::invoke_r<void>( &X::f2, std::cref(x), 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, std::cref(x), 1, 2, 3 );
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}
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{
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Y y;
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boost::compat::invoke_r<void>( &X::f0, y );
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boost::compat::invoke_r<void>( &X::f1, y, 1 );
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boost::compat::invoke_r<void>( &X::f2, y, 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, y, 1, 2, 3 );
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boost::compat::invoke_r<void>( &X::f0, &y );
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boost::compat::invoke_r<void>( &X::f1, &y, 1 );
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boost::compat::invoke_r<void>( &X::f2, &y, 1, 2 );
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boost::compat::invoke_r<void>( &X::f3, &y, 1, 2, 3 );
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boost::compat::invoke_r<void>( &X::f0, std::ref(y) );
|
||||
boost::compat::invoke_r<void>( &X::f1, std::ref(y), 1 );
|
||||
boost::compat::invoke_r<void>( &X::f2, std::ref(y), 1, 2 );
|
||||
boost::compat::invoke_r<void>( &X::f3, std::ref(y), 1, 2, 3 );
|
||||
|
||||
boost::compat::invoke_r<void>( &X::f2, std::cref(y), 1, 2 );
|
||||
boost::compat::invoke_r<void>( &X::f3, std::cref(y), 1, 2, 3 );
|
||||
}
|
||||
|
||||
{
|
||||
X const x = {};
|
||||
|
||||
boost::compat::invoke_r<void>( &X::f2, x, 1, 2 );
|
||||
boost::compat::invoke_r<void>( &X::f3, x, 1, 2, 3 );
|
||||
|
||||
boost::compat::invoke_r<void>( &X::f2, &x, 1, 2 );
|
||||
boost::compat::invoke_r<void>( &X::f3, &x, 1, 2, 3 );
|
||||
|
||||
boost::compat::invoke_r<void>( &X::f2, std::ref(x), 1, 2 );
|
||||
boost::compat::invoke_r<void>( &X::f3, std::ref(x), 1, 2, 3 );
|
||||
}
|
||||
|
||||
{
|
||||
Y const y = {};
|
||||
|
||||
boost::compat::invoke_r<long>( &X::f2, y, 1, 2 );
|
||||
boost::compat::invoke_r<long>( &X::f3, y, 1, 2, 3 );
|
||||
|
||||
boost::compat::invoke_r<long>( &X::f2, &y, 1, 2 );
|
||||
boost::compat::invoke_r<long>( &X::f3, &y, 1, 2, 3 );
|
||||
|
||||
boost::compat::invoke_r<long>( &X::f2, std::ref(y), 1, 2 );
|
||||
boost::compat::invoke_r<long>( &X::f3, std::ref(y), 1, 2, 3 );
|
||||
}
|
||||
|
||||
return boost::report_errors();
|
||||
}
|
||||
80
test/invoke_r_obj_test.cpp
Normal file
80
test/invoke_r_obj_test.cpp
Normal file
@@ -0,0 +1,80 @@
|
||||
// Copyright 2024 Peter Dimov
|
||||
// Distributed under the Boost Software License, Version 1.0.
|
||||
// https://www.boost.org/LICENSE_1_0.txt
|
||||
|
||||
#include <boost/compat/invoke.hpp>
|
||||
#include <boost/core/lightweight_test.hpp>
|
||||
|
||||
struct F
|
||||
{
|
||||
int operator()()
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int operator()( int x1 ) noexcept
|
||||
{
|
||||
return x1;
|
||||
}
|
||||
|
||||
int operator()( int x1, int x2 ) const
|
||||
{
|
||||
return 10*x1+x2;
|
||||
}
|
||||
|
||||
int operator()( int x1, int x2, int x3 ) const noexcept
|
||||
{
|
||||
return 100*x1 + 10*x2 + x3;
|
||||
}
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( F() ), -1 );
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( F(), 1 ), 1 );
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( F(), 1, 2 ), 12 );
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( F(), 1, 2, 3 ), 123 );
|
||||
}
|
||||
|
||||
{
|
||||
F f;
|
||||
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( f ), -1 );
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( f, 1 ), 1 );
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( f, 1, 2 ), 12 );
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( f, 1, 2, 3 ), 123 );
|
||||
}
|
||||
|
||||
{
|
||||
F const f = {};
|
||||
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( f, 1, 2 ), 12 );
|
||||
BOOST_TEST_EQ( boost::compat::invoke_r<long>( f, 1, 2, 3 ), 123 );
|
||||
}
|
||||
|
||||
{
|
||||
boost::compat::invoke_r<void>( F() );
|
||||
boost::compat::invoke_r<void>( F(), 1 );
|
||||
boost::compat::invoke_r<void>( F(), 1, 2 );
|
||||
boost::compat::invoke_r<void>( F(), 1, 2, 3 );
|
||||
}
|
||||
|
||||
{
|
||||
F f;
|
||||
|
||||
boost::compat::invoke_r<void>( f );
|
||||
boost::compat::invoke_r<void>( f, 1 );
|
||||
boost::compat::invoke_r<void>( f, 1, 2 );
|
||||
boost::compat::invoke_r<void>( f, 1, 2, 3 );
|
||||
}
|
||||
|
||||
{
|
||||
F const f = {};
|
||||
|
||||
boost::compat::invoke_r<void>( f, 1, 2 );
|
||||
boost::compat::invoke_r<void>( f, 1, 2, 3 );
|
||||
}
|
||||
|
||||
return boost::report_errors();
|
||||
}
|
||||
Reference in New Issue
Block a user