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Merge pull request #17 from cmazakas/fix/lvalue-params

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fix lvalue parameter passing
This commit is contained in:
Christian Mazakas
2024-12-17 12:49:24 -08:00
committed by GitHub
parent 881cc909fb c3bd40856d
commit 61b464c3ee
4 changed files with 7 additions and 5 deletions
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2
include/boost/compat/function_ref.hpp
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@@ -131,7 +131,7 @@ public:
function_ref_base(const function_ref_base&) noexcept = default; function_ref_base(const function_ref_base&) noexcept = default;
function_ref_base& operator=(const function_ref_base&) noexcept = default; function_ref_base& operator=(const function_ref_base&) noexcept = default;
R operator()(Args&&... args) const noexcept(NoEx) { return this->invoke_(thunk_, std::forward<Args>(args)...); } R operator()(Args... args) const noexcept(NoEx) { return this->invoke_(thunk_, std::forward<Args>(args)...); }
}; };
} // namespace detail } // namespace detail

3
test/function_ref_fn_test.cpp
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@@ -98,8 +98,9 @@ int main() {
// f1 // f1
{ {
int x = 1;
compat::function_ref<int(int)> fv1(f1); compat::function_ref<int(int)> fv1(f1);
BOOST_TEST_EQ(fv1(1), 1); BOOST_TEST_EQ(fv1(x), 1);
compat::function_ref<int(int) const> fv2(f1); compat::function_ref<int(int) const> fv2(f1);
BOOST_TEST_EQ(fv2(1), 1); BOOST_TEST_EQ(fv2(1), 1);

3
test/function_ref_mfn_test.cpp
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@@ -41,8 +41,9 @@ int main() {
compat::function_ref<int(F1&)> fn1(compat::nontype_t<&F1::m1>{}); compat::function_ref<int(F1&)> fn1(compat::nontype_t<&F1::m1>{});
BOOST_TEST_EQ(fn1(f1), 0); BOOST_TEST_EQ(fn1(f1), 0);
int x = 2;
compat::function_ref<int(F1&, int)> fn2(compat::nontype_t<&F1::m2>{}); compat::function_ref<int(F1&, int)> fn2(compat::nontype_t<&F1::m2>{});
BOOST_TEST_EQ(fn2(f1, 2), 12); BOOST_TEST_EQ(fn2(f1, x), 12);
compat::function_ref<int(F1&, int, int)> fn3(compat::nontype_t<&F1::m3>{}); compat::function_ref<int(F1&, int, int)> fn3(compat::nontype_t<&F1::m3>{});
BOOST_TEST_EQ(fn3(f1, 2, 3), 123); BOOST_TEST_EQ(fn3(f1, 2, 3), 123);

4
test/function_ref_obj_test.cpp
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@@ -65,8 +65,8 @@ int main() {
BOOST_TEST_TRAIT_FALSE((std::is_constructible<compat::function_ref<S1>, F1 const&&>)); BOOST_TEST_TRAIT_FALSE((std::is_constructible<compat::function_ref<S1>, F1 const&&>));
compat::function_ref<S2> fv2(f); compat::function_ref<S2> fv2(f);
int x = 1;
BOOST_TEST_EQ(fv2(1), 1); BOOST_TEST_EQ(fv2(x), 1);
BOOST_TEST_TRAIT_FALSE((std::is_constructible<compat::function_ref<S2>, F1 const>)); BOOST_TEST_TRAIT_FALSE((std::is_constructible<compat::function_ref<S2>, F1 const>));
BOOST_TEST_TRAIT_FALSE((std::is_constructible<compat::function_ref<S2>, F1 const&>)); BOOST_TEST_TRAIT_FALSE((std::is_constructible<compat::function_ref<S2>, F1 const&>));