Error No Matching Function For Call To
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Error No Matching Function For Call To C++
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5 down vote favorite 3 Heres my error... "In constructor 'NumGame::NumGame(int&)': error: no matching function for call to 'Category::Category()'" Ive looked at a few similar questions here but cant seem to find an answer. I have a base class Category and NumGame is inherited from it but wont compile. class Category { public: void virtual selection(int&); Category(int&); virtual ~Category(){}; private: int myRandNum; }; Category::Category(int& a){ myRandNum =
Error No Matching Function For Call To ‘find
a; } void Category::selection(int& a){ cout << "I am NumGame version number... " << a << endl; cout << "Now Im playing... " << myRandNum << endl; } class NumGame : public Category { public: void selection(int&); NumGame(int&); ~NumGame(){}; private: int myRandNum; }; NumGame::NumGame(int& b){ myRandNum = b; } void NumGame::selection(int& b) { } c++ share|improve this question asked Mar 13 '12 at 10:47 Aikiman001 28113 add a comment| 3 Answers 3 active oldest votes up vote 9 down vote accepted Category does not have a default constructor, so you need to supply arguments when constructing the Category base object of NumGame: NumGame::NumGame(int& b) : Category(b) { myRandNum = b; } share|improve this answer answered Mar 13 '12 at 10:50 Mankarse 27.2k553114 But am I not just over riding the default constructor anyway? And if I dont over ride it, then the default constructor will be used instead which is why I have arguments in the default one. BTW both answers have caused my code to compile, obviously some things are not clear to me :) –Aikiman001 Mar 13 '12 at 11:52 add a comment| up vote 14 down vote Reason for the error: When you create an instan
get this error. " error: no matching function for call to 'merge(List&, List&)' " when i try to call it in the main, this is how it looks error no matching function for call to 'min' 1
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List list1; List list2; ...(bunch of code that fills both lists above with values)...
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List merged_list = merge( list1, list2); in my list.h file, it looks like this List& merge( const List* one, const List* two error no matching function for call to 'forward' ); and here is the list.cpp 1
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List& merge( const List* one, const List* two ) { ...(bunch of code for merge sorting).... return *newList; } what am i doing wrong? thanks! Last edited on Apr http://stackoverflow.com/questions/9682548/error-no-matching-function-for-call-to 10, 2010 at 8:11pm UTC Apr 10, 2010 at 8:24pm UTC tummychow (1210) I'm not sure if it will actually change anything because I never pass by pointer, but there is no call for REFERENCE parameter, not pointer. Try changing those pointers in your arg list to references and see what happens. Apr 10, 2010 at 8:33pm UTC bombatwist (9) the same thing happened :(. I want to write it in a http://www.cplusplus.com/forum/beginner/22112/ way so that the function has two parameters, that both point to two seperate lists, and i want it to return a pointer to the new merged list. Apr 10, 2010 at 8:35pm UTC tummychow (1210) Hm. Maybe it's a problem with the includes. I hate to ask such a simple question but did you link the merge implementation with your main source code? (I gotta be missing something simple but for the life of me I can't think of it.) Apr 10, 2010 at 8:38pm UTC bombatwist (9) no i did not. my merge implementation is in my list.cpp. and in my main, i used iostream and list.h as my include. All function calls to other functions in the list.cpp work except this one. :( Apr 10, 2010 at 9:22pm UTC Zhuge (4639) You aren't passing the addresses of the List objects list1 and list2. Use &list1 and &list2 when calling the function and see if that works. Apr 10, 2010 at 9:56pm UTC bombatwist (9) hmm, i did that and i get this error now " undefined reference to 'List::merge(List const*, List,const*)' " @_@ Apr 10, 2010 at 9:59pm UTC tummychow (1210) Well that solved one problem. Is merge a member of your list class? Apr 10, 2010 at 10:08pm UTC bombatwist (9) ah
»reddit.comlearnprogrammingcommentsWant to join? Log in or sign up in seconds.|Englishlimit my search to /r/learnprogramminguse the https://www.reddit.com/r/learnprogramming/comments/2kc1be/c_losing_my_mind_with_no_matching_function_for/ following search parameters to narrow your results:subreddit:subredditfind submissions https://community.particle.io/t/error-no-matching-function-for-call-to-cloudclass-variable/16125 in "subreddit"author:usernamefind submissions by "username"site:example.comfind submissions from "example.com"url:textsearch error no for "text" in urlselftext:textsearch for "text" in self post contentsself:yes (or self:no)include (or exclude) self postsnsfw:yes (or error no matching nsfw:no)include (or exclude) results marked as NSFWe.g. subreddit:aww site:imgur.com dogsee the search faq for details.advanced search: by author, subreddit...this post was submitted on 26 Oct 20141 point (100% upvoted)shortlink: remember mereset passwordloginSubmit a new text postlearnprogrammingsubscribeunsubscribe276,123 readers246 users here nowWelcome to LearnProgramming! Asking Questions - Offering Help Please read our Frequently Asked Questions secti
&wifi, INT); Particle.variable("tHour", &tHour, INT); Particle.variable("speed", &speedIndex, INT); Particle.variable("brightness", &brightness, INT); Particle.variable("modeList", &modeList, STRING); Particle.variable("mode", ¤tModeName, STRING); Had this working for weeks, and now (literally, just now) without me having even touched any of that code, the cloud IDE started spitting the following error message: error: no matching function for call to 'CloudClass::variable(const char [9], char (*)[622], const CloudVariableTypeString&)' void colorChaser(uint32_t c);note: candidates are:In file included from ../wiring/inc/spark_wiring.h:46:0, from ./inc/application.h:36, from sparkpixels.cpp:36:../wiring/inc/spark_wiring_cloud.h:48:24: note: static bool CloudClass::variable(const char*, const uint8_t*, const CloudVariableTypeString&) static inline bool variable(const char varKey, const uint8_t userVar, const CloudVariableTypeString& userVarType) ^../wiring/inc/spark_wiring_cloud.h:48:24: note: no known conversion for argument 2 from 'char ()[622]' to 'const uint8_t {aka const unsigned char*}'../wiring/inc/spark_wiring_cloud.h:53:45: note: static bool CloudClass::variable(const char*, typename T::varref, const T&) [with T = CloudVariableTypeString; typename T::varref = const char*] template static inline bool variable(const char *varKey, const typename T::varref userVar, const T& userVarType) ^../wiring/inc/spark_wiring_cloud.h:53:45: note: no known conversion for argument 2 from 'char ()[622]' to 'CloudVariableTypeString::varref {aka const char}'In file included from ../wiring/inc/spark_wiring.h:46:0, from ./inc/application.h:36, from sparkpixels.cpp:36:../wiring/inc/spark_wiring_cloud.h:58:24: note: static bool CloudClass::variable(const char*, const uint32_t*, const CloudVariableTypeInt&) static inline bool variable(const char varKey, const uint32_t userVar, const CloudVariableTypeInt& userVarType) ^../wiring/inc/spark_wiring_cloud.h:58:24: note: no known conversion for argument 2 from 'char ()[622]' to 'const uint32_t {aka const long unsigned int*}' error: no matching function for call to 'CloudClass::variable(const char [5], char (*)[64], const CloudVariableTypeString&)' void pulse_oneColorAll(void);note: candidates are:In file included from ../wiring/inc/spark_wiring.h:46:0, from ./inc/application.h:36, from sparkpixels.cpp:36:../wiring/inc/spark_wirin