diff --git a/src/json.hpp b/src/json.hpp index 5c6515bf..e8941302 100644 --- a/src/json.hpp +++ b/src/json.hpp @@ -6789,7 +6789,7 @@ class json_ref {} template - json_ref(Args... args) + json_ref(Args&&... args) : owned_value(std::forward(args)...), value_ref(&owned_value), is_rvalue(true) diff --git a/test/src/unit-regression.cpp b/test/src/unit-regression.cpp index 1e1588e6..edd03b9c 100644 --- a/test/src/unit-regression.cpp +++ b/test/src/unit-regression.cpp @@ -36,6 +36,22 @@ using nlohmann::json; #include #include +namespace +{ + struct nocopy + { + nocopy() = default; + nocopy(const nocopy &) = delete; + + int val = 0; + + friend void to_json(json& j, const nocopy& n) + { + j = {{"val", n.val}}; + } + }; +} + TEST_CASE("regression tests") { SECTION("issue #60 - Double quotation mark is not parsed correctly") @@ -1282,4 +1298,12 @@ TEST_CASE("regression tests") } } */ + + SECTION("issue #805 - copy constructor is used with std::initializer_list constructor.") + { + nocopy n; + json j; + j = {{"nocopy", n}}; + CHECK(j["nocopy"]["val"] == 0); + } }