Error C4430 Class
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Error C4430 Visual C++
company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags error c4430 visual studio Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only mfc error c4430 takes a minute: Sign up “missing type specifier” error on constructor declaration up vote 4 down vote favorite I have 2 classes in 2 different files: RegMatrix.h: #ifndef _RM_H #define _RM_H #include "SparseMatrix.h" ... class RegMatrix{ ... RegMatrix(const SparseMatrix &s){...} //ctor ... }; #endif SparseMatrix.h: #ifndef _SM_H #define _SM_H #include "RegMatrix.h" ... class SparseMatrix{ ... SparseMatrix(const RegMatrix &r){...} //ctor ... };
Error C4430 Missing Type Specifier Int Assumed Note C++
#endif On the constructor lines I get the errors: error C4430: missing type specifier - int assumed. error C2143: syntax error : missing ',' before '&' But when i add the classes declarations class SparseMatrix; in the RegMatrix.h file and class RegMatrix; in the SparseMatrix.h file it works fine. My question is why is it needed if i have the includes? 10x. c++ visual-studio-2008 share|improve this question asked Sep 27 '10 at 18:04 Sanich 61821023 1 The identifiers _RM_H and _SM_H are reserved, don't use them. –GManNickG Sep 27 '10 at 18:15 add a comment| 4 Answers 4 active oldest votes up vote 7 down vote accepted You can't have circular #includes (one file #includes another which #includes the first file). Forward declaring one of the classes instead of the #include will break the chain and allow it to work. Declaring the class name allows you to use the name without having to know about the internal bits of the class. BTW, the desire for circular #includes is a design smell. Perhaps you could create an interface that the two
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Note C++ Does Not Support Default Int
Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up error C4430: missing type specifier - int assumed. [duplicate] http://stackoverflow.com/questions/3806525/missing-type-specifier-error-on-constructor-declaration up vote 3 down vote favorite 2 This question already has an answer here: Resolve header include circular dependencies 8 answers i have this error: "error C4430: missing type specifier - int assumed. Note: C++ does not support default-int" with this code example : //A.h #include "B.h" class A{ B* b; .. }; //B.h #include "A.h" class B{ A* a; // error error C4430: missing type specifier - http://stackoverflow.com/questions/23283080/error-c4430-missing-type-specifier-int-assumed int assumed. }; c++ share|improve this question edited Apr 25 '14 at 2:30 asked Apr 25 '14 at 2:14 user3571201 23115 marked as duplicate by Shafik Yaghmour, UmNyobe, Kerrek SB, akirk, David Apr 25 '14 at 10:25 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. 5 You need to do forward declaration of class A into the header file B.h before it starts using. –Mantosh Kumar Apr 25 '14 at 2:18 5 Two headers that include each other is not a good idea. "To understand A you must first understand B." "To understand B, you must first understand A." –David Schwartz Apr 25 '14 at 2:23 but i need it! how to solve this problem ? –user3571201 Apr 25 '14 at 2:25 This is probably just because you wrote the example quickly, but you're also missing semicolons at the end of your class declarations (and include guards). –Cameron Apr 25 '14 at 2:29 add a comment| 1 Answer 1 active oldest votes up vote 7 down vote accepted In particular, to declare a pointer to some class, the actu
type specifier - int assumed. Note: C++ does not support default-int Tags: c++ missing type specifier class templates header By : bug Source: Stackoverflow.com Question! By : bug Related Questions Video about Template Class: error C4430: missing type specifier - int assumed. Note: C++ does not support default-int About Us Contact Us Legal feedback Copyright © 2015 - All Rights Reserved - www.4answered.com