extra qualification error in C

Question

I have a member function that is defined as follows   Value JSONDeserializer  ParseValue TDR type  const json string amp  valueString     When I compile the source  I get      error  extra qualification  JSONDeserializer    on member  ParseValue    What is this  How do I remove this error

User · Answer

Are you putting this line inside the class declaration  In that case you should remove the JSONDeserializer

User · Answer

This means a class is redundantly mentioned with a class function  Try removing JSONDeserializer

User · Answer

This is because you have the following code   class JSONDeserializer       Value JSONDeserializer  ParseValue TDR type  const json string amp  valueString        This is not valid C   but Visual Studio seems to accept it  You need to change it to the following code to be able to compile it with a standard compliant compiler  gcc is more compliant to the standard on this point    class JSONDeserializer       Value ParseValue TDR type  const json string amp  valueString        The error come from the fact that JSONDeserializer  ParseValue is a qualified name  a name with a namespace qualification   and such a name is forbidden as a method name in a class

User · Answer

A worthy note for readability maintainability   You can keep the JSONDeserializer   qualifier with the definition in your implementation file    cpp    As long as your in-class declaration  as mentioned by others  does not have the qualifier  g   gcc will play nice    For example   In myFile h   class JSONDeserializer       Value ParseValue TDR type  const json string amp  valueString        And in myFile cpp   Value JSONDeserializer  ParseValue TDR type  const json string amp  valueString        do something type  valueString       When myFile cpp implements methods from many classes  it helps to know who belongs to who  just by looking at the definition

User · Answer

I saw this error when my header file was missing closing brackets  Causing this error     Obj h class Obj   public      Obj     Fixing this error     Obj h class Obj   public      Obj

[c++] extra qualification error in C++

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