( std::forward

(d)\n , std11::bool_constant< std11::is_nothrow_constructible::value >() ) ) )\n , execute_on_reset( execute )\n {}\n\n // Move constructor.\n //\n // The stored resource handle is initialized from the one of other, using std::move if\n // std::is_nothrow_move_constructible_v is true.\n //\n // If initialization of the stored resource handle throws an exception, other is not modified.\n //\n // Then, the deleter is initialized with the one of other, using std::move if\n // std::is_nothrow_move_constructible_v is true.\n //\n // If initialization of the deleter throws an exception and std::is_nothrow_move_constructible_v is true and\n // other owns the resource, calls the deleter of other with res_ to dispose the resource, then calls other.release().\n //\n // After construction, the constructed unique_resource owns its resource if and only if other owned the resource before\n // the construction, and other is set to not own the resource.\n\n unique_resource( unique_resource && other )\n scope_noexcept_op(\n std11::is_nothrow_move_constructible::value && std11::is_nothrow_move_constructible::value\n )\n try\n : resource( conditional_move( std::move(other.resource), typename std11::bool_constant< std11::is_nothrow_move_assignable::value >() ) )\n , deleter( conditional_move( std::move(other.deleter ), typename std11::bool_constant< std11::is_nothrow_move_constructible::value >() ) )\n , execute_on_reset( std14::exchange( other.execute_on_reset, false ) )\n {}\n catch(...)\n {\n if ( other.execute_on_reset && std11::is_nothrow_move_constructible::value )\n {\n other.get_deleter()( this->get() );\n other.release();\n }\n }\n\n ~unique_resource()\n {\n reset();\n }\n\nprivate:\n // assign_rd( r, is_nothrow_move_assignable_v, is_nothrow_move_assignable_v ):\n\n void assign_rd( unique_resource && other, std11::true_type, std11::true_type )\n {\n resource = std::move( other.resource );\n deleter = std::move( other.deleter );\n }\n\n void assign_rd( unique_resource && other, std11::true_type, std11::false_type )\n {\n resource = std::move( other.resource );\n deleter = other.deleter;\n }\n\n void assign_rd( unique_resource && other, std11::false_type, std11::true_type )\n {\n deleter = std::move( other.deleter );\n resource = other.resource;\n }\n\n void assign_rd( unique_resource && other, std11::false_type, std11::false_type )\n {\n resource = other.resource;\n deleter = other.deleter;\n }\n\npublic:\n unique_resource & operator=( unique_resource && other )\n scope_noexcept_op(\n std11::is_nothrow_move_assignable::value && std11::is_nothrow_move_assignable::value\n )\n {\n scope_static_assert(\n std11::is_nothrow_move_assignable::value || std11::is_copy_assignable::value\n , \"The resource must be nothrow-move assignable, or copy assignable\"\n );\n\n scope_static_assert(\n std11::is_nothrow_move_assignable::value || std11::is_copy_assignable::value\n , \"The deleter must be nothrow-move assignable, or copy assignable\");\n\n if ( &other != this )\n {\n reset();\n assign_rd(\n std::move( other )\n , typename std11::bool_constant< std11::is_nothrow_move_assignable::value >()\n , typename std11::bool_constant< std11::is_nothrow_move_assignable::value >()\n );\n execute_on_reset = std14::exchange( other.execute_on_reset, false );\n }\n\n return *this;\n }\n\n void reset() scope_noexcept\n {\n if ( execute_on_reset )\n {\n execute_on_reset = false;\n get_deleter()( get() );\n }\n }\n\n template< class RR >\n void reset( RR && r )\n#if scope_CPP11_110\n {\n auto && guard = make_scope_fail( [&, this]{ get_deleter()(r); } ); // -Wunused-variable on clang\n\n reset();\n resource = conditional_forward( std::forward(r)\n , std11::bool_constant< std11::is_nothrow_assignable::value >() );\n execute_on_reset = true;\n }\n#else // scope_CPP11_110\n try\n {\n reset();\n resource = conditional_forward( std::forward(r)\n , std11::bool_constant< std11::is_nothrow_assignable::value >() );\n execute_on_reset = true;\n }\n catch(...)\n {\n this->get_deleter()(r);\n }\n#endif // scope_CPP11_110\n\n void release() scope_noexcept\n {\n execute_on_reset = false;\n }\n\n R1 const & get() const scope_noexcept\n {\n return resource;\n }\n\n // VC120/VS2013 produces ICE:\n\n#if scope_HAVE( TRAILING_RETURN_TYPE ) && !scope_BETWEEN( scope_COMPILER_MSVC_VERSION, 120, 130 )\n template< class RR=R >\n auto operator*() const scope_noexcept ->\n scope_ENABLE_IF_R_(\n std::is_pointer::value && !std::is_void::type>::value\n , typename std::add_lvalue_reference::type>::type\n )\n#else\n typename std::add_lvalue_reference::type>::type\n operator*() const scope_noexcept\n#endif\n {\n return *get();\n }\n\n // VC120/VS2013 produces ICE:\n\n#if scope_HAVE( TRAILING_RETURN_TYPE ) && !scope_BETWEEN( scope_COMPILER_MSVC_VERSION, 120, 130 )\n template< class RR=R >\n auto operator->() const scope_noexcept -> scope_ENABLE_IF_R_( std::is_pointer::value, R )\n#else\n R operator->() const scope_noexcept\n#endif\n {\n return get();\n }\n\n D const & get_deleter() const scope_noexcept\n {\n return deleter;\n }\n\nscope_is_delete_access:\n\tunique_resource & operator=( unique_resource const & ) scope_is_delete;\n\tunique_resource( unique_resource const & ) scope_is_delete;\n\nprivate:\n R1 resource;\n D deleter;\n bool execute_on_reset;\n};\n\n#if scope_HAVE( DEDUCTION_GUIDES )\ntemplate< typename R, typename D >\nunique_resource(R, D) -> unique_resource;\n#endif\n\n// special factory function make_unique_resource_checked():\n\n#if scope_HAVE_DEFAULT_FUNCTION_TEMPLATE_ARG\n\ntemplate< class R, class D, class S = typename std11::decay::type >\nunique_resource\n<\n typename std11::decay::type\n , typename std11::decay::type\n>\n//make_unique_resource_checked( R && resource, typename std20::type_identity::type const & invalid, D && deleter )\nmake_unique_resource_checked( R && resource, S const & invalid, D && deleter )\nscope_noexcept_op\n((\n std11::is_nothrow_constructible::type, R>::value\n && std11::is_nothrow_constructible::type, D>::value\n))\n{\n return unique_resource::type, typename std11::decay::type>(\n std::forward( resource ), std::forward( deleter ), !bool( resource == invalid ) );\n}\n\n#else // scope_HAVE_DEFAULT_FUNCTION_TEMPLATE_ARG\n\n// avoid default template arguments:\n\ntemplate< class R, class D >\nunique_resource\n<\n typename std11::decay::type\n , typename std11::decay::type\n>\nmake_unique_resource_checked( R && resource, R const & invalid, D && deleter )\nscope_noexcept_op\n((\n std11::is_nothrow_constructible::type, R>::value\n && std11::is_nothrow_constructible::type, D>::value\n))\n{\n return unique_resource::type, typename std11::decay::type>(\n std::forward( resource ), std::forward( deleter ), !bool( resource == invalid ) );\n}\n\ntemplate< class R, class D, class S >\nunique_resource\n<\n typename std11::decay::type\n , typename std11::decay::type\n>\nmake_unique_resource_checked( R && resource, S const & invalid, D && deleter )\nscope_noexcept_op\n((\n std11::is_nothrow_constructible::type, R>::value\n && std11::is_nothrow_constructible::type, D>::value\n))\n{\n return unique_resource::type, typename std11::decay::type>(\n std::forward( resource ), std::forward( deleter ), !bool( resource == invalid ) );\n}\n\n#endif // scope_HAVE_DEFAULT_FUNCTION_TEMPLATE_ARG\n\n#else // #if scope_USE_POST_CPP98_VERSION\n\n//\n// C++98 version:\n//\n\nstruct on_exit_policy\n{\n mutable bool invoke_;\n\n on_exit_policy()\n : invoke_( true )\n {}\n\n on_exit_policy( on_exit_policy const & other )\n : invoke_( other.invoke_ )\n {\n other.invoke_ = false;\n }\n\n void release()\n {\n invoke_ = false;\n }\n\n bool perform()\n {\n return invoke_;\n }\n};\n\nstruct on_fail_policy\n{\n mutable int ucount_;\n\n on_fail_policy()\n : ucount_( detail::uncaught_exceptions() )\n {}\n\n on_fail_policy( on_fail_policy const & other )\n : ucount_( other.ucount_ )\n {\n other.ucount_ = std::numeric_limits::max();\n }\n\n void release()\n {\n ucount_ = std::numeric_limits::max();\n }\n\n bool perform()\n {\n return ucount_ < detail::uncaught_exceptions();\n }\n};\n\nstruct on_success_policy\n{\n mutable int ucount_;\n\n on_success_policy()\n : ucount_( detail::uncaught_exceptions() )\n {}\n\n on_success_policy( on_success_policy const & other )\n : ucount_( other.ucount_ )\n {\n other.ucount_ = -1;\n }\n\n void release()\n {\n ucount_ = -1;\n }\n\n bool perform()\n {\n return ucount_ >= detail::uncaught_exceptions();\n }\n};\n\ntemplate< typename Policy, typename Action >\nclass scope_guard : public Policy\n{\npublic:\n scope_guard( Action action )\n : Policy()\n , action_( action )\n {}\n\n scope_guard( scope_guard const & other )\n : Policy( other )\n , action_( other.action_ )\n {}\n\n virtual ~scope_guard()\n {\n if ( this->perform() )\n action_();\n }\n\nprivate:\n scope_guard & operator=( scope_guard const & );\n\nprivate:\n Action action_;\n};\n\ntemplate< typename Fn = void(*)() >\nclass scope_exit : public scope_guard< on_exit_policy, Fn >\n{\npublic:\n scope_exit( Fn action ) : scope_guard( action ) {}\n};\n\ntemplate< typename Fn = void(*)() >\nclass scope_fail : public scope_guard< on_fail_policy, Fn >\n{\npublic:\n scope_fail( Fn action ) : scope_guard( action ) {}\n};\n\ntemplate< typename Fn = void(*)() >\nclass scope_success : public scope_guard< on_success_policy, Fn >\n{\npublic:\n scope_success( Fn action ) : scope_guard( action ) {}\n};\n\n// unique_resource (C++98):\n\ntemplate< class R, class D >\nclass unique_resource\n{\npublic:\n unique_resource()\n : resource()\n , deleter()\n , execute_on_reset( false )\n {}\n\n template< class RR, class DD >\n unique_resource( RR const & r, DD const & d, bool execute = true )\n : resource( r )\n , deleter( d )\n , execute_on_reset( execute )\n {}\n\n // 'move' construction\n\n unique_resource( unique_resource const & other )\n : resource( other.resource )\n , deleter( other.deleter )\n , execute_on_reset( other.execute_on_reset )\n {\n other.execute_on_reset = false; // other.release();\n }\n\n ~unique_resource()\n {\n reset();\n }\n\n // 'move' assignment\n\n unique_resource & operator=( unique_resource const & other )\n {\n reset();\n resource = other.resource;\n deleter = other.deleter;\n execute_on_reset = other.execute_on_reset;\n other.execute_on_reset = false; // other.release();\n\n return *this;\n }\n\n void reset()\n {\n if ( execute_on_reset )\n {\n execute_on_reset = false;\n get_deleter()( get() );\n }\n }\n\n template< class RR >\n void reset( RR const & r )\n try\n {\n reset();\n\t\tresource = r;\n execute_on_reset = true;\n }\n catch(...)\n {\n this->get_deleter()( r );\n }\n\n void release()\n {\n execute_on_reset = false;\n }\n\n R const & get() const\n {\n return resource;\n }\n\n typename std11::remove_pointer::type &\n operator*() const\n {\n return *get();\n }\n\n R operator->() const\n {\n return get();\n }\n\n D const & get_deleter() const\n {\n return deleter;\n }\n\nprivate:\n // using R1 = conditional_t< is_reference_v, reference_wrapper>, R >; // exposition only\n // typedef R R1;\n R resource;\n D deleter;\n mutable bool execute_on_reset;\n};\n\ntemplate< class EF >\nscope_exit make_scope_exit( EF action )\n{\n return scope_exit( action );\n}\n\ntemplate< class EF >\nscope_fail make_scope_fail( EF action )\n{\n return scope_fail( action );\n}\n\ntemplate< class EF >\nscope_success make_scope_success( EF action )\n{\n return scope_success( action );\n}\n\ntemplate< class R, class D, class S >\nunique_resource\n<\n typename std11::decay::type\n , typename std11::decay::type\n>\nmake_unique_resource_checked( R const & resource, S const & invalid, D const & deleter )\n{\n return unique_resource::type, typename std11::decay::type>(\n resource,deleter, !bool( resource == invalid ) );\n}\n\n#endif // #if scope_USE_POST_CPP98_VERSION\n\n}} // namespace nonstd::scope\n\n//\n// Make type available in namespace nonstd:\n//\n\nnamespace nonstd\n{\n using scope::scope_exit;\n using scope::scope_fail;\n using scope::scope_success;\n using scope::unique_resource;\n\n using scope::make_scope_exit;\n using scope::make_scope_fail;\n using scope::make_scope_success;\n using scope::make_unique_resource_checked;\n}\n\n#endif // scope_USES_STD_SCOPE\n\n#endif // NONSTD_SCOPE_LITE_HPP\n","stdin","compiler","gcc-12.1.0","warning,optimize,boost-nothing-gcc-12.1.0,c++11,cpp-no-pedantic","createdAt",1671360972,"title","description","martinmoene","isPrivate","compilerInfo",{"_11":3378,"_13":3388,"_15":333,"_17":99,"_19":3389,"_22":23,"_24":25,"_26":335,"_28":3390},"12.1.0",[99],[3391,3393,3395,3397,3406,3422],{"_31":32,"_33":3392},{"_11":35,"_36":23,"_37":38,"_17":39},{"_31":32,"_33":3394},{"_11":42,"_36":25,"_37":43,"_17":44},{"_31":32,"_33":3396},{"_11":47,"_36":25,"_37":48,"_17":49},{"_31":51,"_33":3398},{"_11":3399,"_36":3400,"_55":3401},"boost-gcc-12.1.0","boost-1.79.0-gcc-12.1.0",[3402,3404],{"_11":3403,"_37":59,"_17":330},"boost-nothing-gcc-12.1.0",{"_11":3400,"_37":3405,"_17":520},"-I/opt/wandbox/boost-1.79.0-gcc-12.1.0/include",{"_31":51,"_33":3407},{"_11":351,"_36":352,"_55":3408},[3409,3410,3411,3412,3413,3414,3415,3416,3417,3418,3419,3420,3421],{"_11":355,"_37":59,"_17":60},{"_11":357,"_37":358,"_17":359},{"_11":361,"_37":362,"_17":363},{"_11":365,"_37":366,"_17":367},{"_11":369,"_37":370,"_17":371},{"_11":373,"_37":374,"_17":375},{"_11":377,"_37":378,"_17":379},{"_11":381,"_37":382,"_17":383},{"_11":385,"_37":386,"_17":387},{"_11":389,"_37":390,"_17":391},{"_11":393,"_37":394,"_17":395},{"_11":397,"_37":398,"_17":399},{"_11":352,"_37":401,"_17":402},{"_31":51,"_33":3423},{"_11":86,"_36":87,"_55":3424},[3425,3426,3427],{"_11":87,"_37":59,"_17":90},{"_11":86,"_37":92,"_17":92},{"_11":94,"_37":95,"_17":95},"results",[3430,3434,3437],{"_31":3431,"_3432":3433},"Control","data","Start",{"_31":3435,"_3432":3436},"ExitCode","2",{"_31":3431,"_3432":3438},"Finish","hpplib",[3441,3456,3465,3474,3483,3492,3501,3510,3518,3527,3538,3547,3556,3565,3574,3583],{"_11":3442,"_3443":3444,"_3383":3445,"_3446":3447,"_3448":3449,"_3454":3455},"CLI11","repository","CLIUtils/CLI11","CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.","headerDescription","","wandbox",{"_3450":3451,"_3452":3453},"tagName","v2.5.0","publishedAt","2025-02-27T12:29:12Z","clangd",{"_3450":3451,"_3452":3453},{"_11":3457,"_3443":3458,"_3383":3459,"_3446":3460,"_3448":3461,"_3454":3464},"cxxopts","jarro2783/cxxopts","Lightweight C++ command line option parser","",{"_3450":3462,"_3452":3463},"v3.2.0","2024-02-15T05:32:43Z",{"_3450":3462,"_3452":3463},{"_11":3466,"_3443":3467,"_3383":3468,"_3446":3469,"_3448":3470,"_3454":3473},"nanobench","martinus/nanobench","Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20","",{"_3450":3471,"_3452":3472},"v4.3.11","2023-02-16T19:06:26Z",{"_3450":3471,"_3452":3472},{"_11":3475,"_3443":3476,"_3383":3477,"_3446":3478,"_3448":3479,"_3454":3482},"toml11","ToruNiina/toml11","TOML for Modern C++","",{"_3450":3480,"_3452":3481},"v4.4.0","2025-02-15T16:20:52Z",{"_3450":3480,"_3452":3481},{"_11":3484,"_3443":3485,"_3383":3486,"_3446":3487,"_3448":3488,"_3454":3491},"toml++","marzer/tomlplusplus","Header-only TOML config file parser and serializer for C++17.","",{"_3450":3489,"_3452":3490},"v3.4.0","2023-10-13T13:45:17Z",{"_3450":3489,"_3452":3490},{"_11":3493,"_3443":3494,"_3383":3495,"_3446":3496,"_3448":3497,"_3454":3500},"rapidjson","Tencent/rapidjson","A fast JSON parser/generator for C++ with both SAX/DOM style API","",{"_3450":3498,"_3452":3499},"v1.1.0","2016-08-25T08:01:22Z",{"_3450":3498,"_3452":3499},{"_11":3502,"_3443":3503,"_3383":3504,"_3446":3505,"_3448":3506,"_3454":3509},"picojson","kazuho/picojson","a header-file-only, JSON parser serializer in C++","",{"_3450":3507,"_3452":3508},"v1.3.0","2015-02-25T04:12:53Z",{"_3450":3507,"_3452":3508},{"_11":3511,"_3443":3511,"_3383":3512,"_3446":3513,"_3448":3514,"_3454":3517},"nlohmann/json","JSON for Modern C++","",{"_3450":3515,"_3452":3516},"v3.11.3","2023-11-28T21:38:09Z",{"_3450":3515,"_3452":3516},{"_11":3519,"_3443":3520,"_3383":3521,"_3446":3522,"_3448":3523,"_3454":3526},"csv-parser","vincentlaucsb/csv-parser","A high-performance, fully-featured CSV parser and serializer for modern C++.","",{"_3450":3524,"_3452":3525},"2.3.0","2024-06-15T20:23:18Z",{"_3450":3524,"_3452":3525},{"_11":3528,"_3443":3529,"_3383":3530,"_3446":3531,"_3448":3532,"_3454":3535},"rapidcsv","d99kris/rapidcsv","C++ CSV parser library","",{"_3450":3533,"_3452":3534},"v8.85","2025-03-22T01:58:55Z",{"_3450":3536,"_3452":3537},"v8.84","2024-09-28T05:31:16Z",{"_11":3539,"_3443":3540,"_3383":3541,"_3446":3542,"_3448":3543,"_3454":3546},"fmt","fmtlib/fmt","A modern formatting library","",{"_3450":3544,"_3452":3545},"11.1.4","2025-02-26T18:33:33Z",{"_3450":3544,"_3452":3545},{"_11":3548,"_3443":3549,"_3383":3550,"_3446":3551,"_3448":3552,"_3454":3555},"NumCpp","dpilger26/NumCpp","C++ implementation of the Python Numpy library","",{"_3450":3553,"_3452":3554},"Version_2.14.0","2025-02-09T04:16:30Z",{"_3450":3553,"_3452":3554},{"_11":3557,"_3443":3558,"_3383":3559,"_3446":3560,"_3448":3561,"_3454":3564},"spdlog","gabime/spdlog","Fast C++ logging library.","",{"_3450":3562,"_3452":3563},"v1.15.1","2025-02-01T12:08:58Z",{"_3450":3562,"_3452":3563},{"_11":3566,"_3443":3567,"_3383":3568,"_3446":3569,"_3448":3570,"_3454":3573},"expected-lite","martinmoene/expected-lite","expected lite - Expected objects in C++11 and later in a single-file header-only library","",{"_3450":3571,"_3452":3572},"v0.8.0","2024-06-05T21:24:45Z",{"_3450":3571,"_3452":3572},{"_11":3575,"_3443":3576,"_3383":3577,"_3446":3578,"_3448":3579,"_3454":3582},"gsl-lite","gsl-lite/gsl-lite","gsl-lite – A single-file header-only version of ISO C++ Guidelines Support Library (GSL) for C++98, C++11, and later","",{"_3450":3580,"_3452":3581},"v0.42.0","2024-11-01T20:24:11Z",{"_3450":3580,"_3452":3581},{"_11":3584,"_3443":3585,"_3383":3586,"_3446":3587,"_3448":3588,"_3454":3591},"ut","boost-ext/ut","C++20 μ(micro)/Unit Testing Framework","",{"_3450":3589,"_3452":3590},"v2.3.0","2025-02-04T11:58:39Z",{"_3450":3589,"_3452":3590},"env",{"_3594":3595,"_3596":3597,"_3598":3599,"_3600":3601,"_3602":3603,"_3604":3605,"_3606":3607,"_3608":3609,"_3610":3611},"KV_CACHE",{},"KV_SESSION",{},"R2_BUCKET",{},"WANDBOX_GITHUB_CLIENT_ID","f9d429d939d997e6b08e","WANDBOX_GITHUB_CLIENT_SECRET","d99b3d12225671cde514d9e2b3d5cc8356f4ed5f","WANDBOX_KV_COOKIE_SECRET","FaCnykHoYzqiXReGkgvmcYGvQdQ4yZUE","WANDBOX_R2_PREFIX","master/","WANDBOX_URL_PREFIX","https://api.wandbox.org","ASSETS",{},"root","actionData","errors"]