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Type specifier for NSMutableArray?


Type specifier for NSMutableArray?

By : user2955271
Date : November 22 2020, 10:38 AM
hope this fix your issue To add onto the already correct answers, if the array needs to exist as part of the initialization of the class, you can include it's setup in an init method as:
code :
-(instancetype) init{
     self = [super init];
     if(self){
         _contactList = [NSMutableArray alloc] init];
     }
     return self;
 }


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Does a private type-specifier prevent objects from 'understanding' the specifier?

Does a private type-specifier prevent objects from 'understanding' the specifier?


By : dzt
Date : March 29 2020, 07:55 AM
I wish this help you Status is defined after it's used. Move status up before the get method.
If you plan to use the enum outside of the class you will want to move the enum into public scope.
What does it mean to declare a variable with a storage class specifier but no type specifier?

What does it mean to declare a variable with a storage class specifier but no type specifier?


By : Bence
Date : March 29 2020, 07:55 AM
With these it helps Before C99 if a type was not specified it defaulted to int this was supposed to be removed in C99 but many compilers support it even in C99 mode. For example in clang even using -std=c99 I only receive the following warnings as opposed to errors:
code :
warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
  register x;
  ~~~~~~~~ ^
warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
  auto y;
  ~~~~ ^
warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
  static z;
  ~~~~~~ ^
warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
  extern q;
  ~~~~~~ ^
type-dependent nested-name-specifier in elaborated-type-specifier

type-dependent nested-name-specifier in elaborated-type-specifier


By : Vikash Singh
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I never saw a nested-name-specifier in an elaborated-type-specifier before this question, and at first glance I thought it wasn't even covered by the grammar. Now I see that since C++98 up to the present, it's translated as a special case without the typename-specifier construct. C++11 7.1.6.3/2 (7.1.5.3/2 in C++98): , Expanding from the comments:
Take this program as an example:
code :
template <typename T>
struct S1 { struct I { }; };

template <typename T>
struct S2 { typedef struct S1<T>::I I; }; // okay

template <typename T>
struct S3 { typedef struct S2<T>::I I; }; // okay at definition time
                                          // usually error at instantiation time
template <>
struct S2<short> : S1<short> { };

int main() {
  S1<int>::I a;
  S2<int>::I &b = a; // okay
  S3<int>::I &c = b; // error
  S1<short>::I d;
  S2<short>::I &e = d; // okay
  S3<short>::I &f = e; // okay
}
Unknown override specifier, missing type specifier

Unknown override specifier, missing type specifier


By : Brankica Prinz
Date : March 29 2020, 07:55 AM
Hope that helps As @Pete Becker points out in the comments, you need to qualify the name string as std::string:
code :
private:
    std::string constValue;
    std::string varName;
SomeGreatType myMagicalUniversalType
// SomeType.h

#using namespace std

...

// Parameter.cpp
#include "SomeType.h"
#include "Parameter.h"
Unknown override specifier + missing type specifier

Unknown override specifier + missing type specifier


By : Димитър Захариев
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I just moved ErrInfo struct to another header with the same include guard and it compiled and worked without problem, I think it's compiler failure, if it isn't please explain.
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