{"draftJsState":{"blocks":[{"data":{"image":{"id":"66c1cab13c265b68b0ef4e37"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"16tt4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Добрый день.","type":"unstyled","key":"haaa"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В данной статье рассматриваем описание Лямбда функции в языке программирования С++.","type":"unstyled","key":"908o1"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Внизу статьи будет рабочий отрывок кода с комментариями, данная статья рассматривает только лямбда функции без описания самого языка.","type":"unstyled","key":"ehdmn"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":30,"offset":0,"style":"BOLD"}],"text":"Определение анонимной функции.","type":"unstyled","key":"8ejsi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Анонимная функция определяется через []() { }.","type":"unstyled","key":"5c5uk"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"И имеет следующий вид []() { puts(\"This is Lambda A \\n\"); } ();","type":"unstyled","key":"8q0ed"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Символы в конце (); обозначают, что функция сразу выводится в работу. Перед (); двоеточие не должно стоять. Между телом лямбды и","type":"unstyled","key":"fg5vu"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"(); нельзы ставить другие операторы.","type":"unstyled","key":"epq6p"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В общем случаем, лямбду легко в исходлнике определить через символы []","type":"unstyled","key":"2oh5p"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Лямбды возможны только в языке С++, а не в языке С, следовательно расширение Вашего файла с исходным кодом должно быть .cpp, а не .с.","type":"unstyled","key":"9apt3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":40,"offset":0,"style":"BOLD"}],"text":"Использование ЛЯМБДА функции на примере.","type":"unstyled","key":"afbcv"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include","type":"unstyled","key":"cafb5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"using namespace std;","type":"unstyled","key":"a7stm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"int main(int argc , char *argv[])","type":"unstyled","key":"6o86q"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"{","type":"unstyled","key":"bnnqj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"int z, x, v; // Глобальные переменнные","type":"unstyled","key":"9b8s0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"z = 1; // 1 + 20 = 21","type":"unstyled","key":"1fci3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"x = 20;","type":"unstyled","key":"9hpl2"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"v = 3;","type":"unstyled","key":"bruno"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"[]() { puts(\"This is Lambda A \\n\"); } (); // анонимное Пустое определение через [] с пустыми параметрами и запуском через (); в конце.","type":"unstyled","key":"7ce0g"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"puts(\"Start \\n\");","type":"unstyled","key":"99b8g"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"auto bu {[](auto aa[]){cout << aa << \"\\n\";} }; // определение лямбды, вывод aa - текста","type":"unstyled","key":"dpvg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"bu(\"bu world \\n\"); // вызов именной лямбды bu(); с текстом bu world","type":"unstyled","key":"4f9g3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"auto c { [](){cout << \"Hello C\" << std::endl;} }; // определение лямбды","type":"unstyled","key":"c96tj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"printf(\"\\n\"); // перевод строки","type":"unstyled","key":"49h0k"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"auto sum { [](int z=1, int x=5) // описание лямбда функции, в скобках значения по умолчанию = 6","type":"unstyled","key":"69n87"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"{ int a=2, b=30; // описание локальных переменных в лямбда функции 2 + 30 = 32","type":"unstyled","key":"7704j"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"cout << z + x;","type":"unstyled","key":"1a0kn"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"auto bu(\"Fffgfg\");","type":"unstyled","key":"8qg0p"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"d7he5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"};","type":"unstyled","key":"9r1fa"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"bu(\"xaxaxa \\n\"); // вызов именной лямбды bu(); с текстом xaxaxa","type":"unstyled","key":"c4ia7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"sum(z, x); // вызов лямды sum с глобальными переменными. = 21.","type":"unstyled","key":"6m02v"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"printf(\"\\n\"); // перевод строки","type":"unstyled","key":"5d927"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"sum(); // вызов лямды sum с переменными по умолчанию. = 6.","type":"unstyled","key":"d93qh"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"puts(\"\\nEnd \\n\");","type":"unstyled","key":"4nlea"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"return 0;","type":"unstyled","key":"e2bnu"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"7p2me"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"marker","key":"KheQlIuIXpFc2Y33INrp"}],"entityMap":{}},"mentions":[]}