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Pooria
Pooria
Last Activity: Aug 3 '10, 07:13 PM
Joined: Jul 16 '10
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  • Pooria
    replied to which kinds of constructors may be applied during compile time as optimization.
    in C
    An implementation is permitted to perform the initialization of an object of namespace scope with static storage duration as a static initialization even if such initialization is not required to be done statically, provided that

    * the dynamic version of the initialization does not change the value of any other object of namespace scope with static storage duration prior to its initialization, and
    * the static...
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      Leave a comment:

    • Pooria
      started a topic how to write a cast-to-reference-to-array operator for a class?
      in C

      how to write a cast-to-reference-to-array operator for a class?

      I have following class:

      Code:
          template <size_t size>
    class Araye{
     public:
      Araye(int input[]){
       for (int i=0;i<size;i++)
        araye[i]=input[i];
      }
      int araye[size];
    };
      How should I write a cast-to-reference-to-array operator for this class so that following works:

      Code:
          int adad[3]={1,2,3};
    Araye<3>
      ...
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      • Pooria
        started a topic does adding a dummy parameter to constructors of a class to solve calling ambiguity,
        in C

        does adding a dummy parameter to constructors of a class to solve calling ambiguity,

        take following class and two object definitions:

        Code:
        class Rect{
 public:
  enum centimeter;
  enum meter;
  Rect(double len,double wid,enum centimeter){
   length=(len/100);
   width=(wid/100);
  }
  Rect(int len,int wid,enum meter){
   length=len;
   width=wid;
  }
  //rest of implementation
 private:
  double length;//in meters
        ...
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        • Pooria
          started a topic which kinds of constructors may be applied during compile time as optimization.
          in C

          which kinds of constructors may be applied during compile time as optimization.

          take two following classes and their constructors as samples:

          Code:
          class One{
 public:
  One(int a,int b):adad1(a),adad2(b){}
 private:
  int adad1;
  int adad2;
};
class Two{
 public:
  Two(int input[]){
   for (int i=0;i<10;i++)
    araye[i]=input[i];
  }
 private:
  int araye[10];
};
          considering objects with static...
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          • Pooria
            started a topic how does an optimizing c++ compiler reuse stack slots of a function?
            in C

            how does an optimizing c++ compiler reuse stack slots of a function?

            How does an optimizing c++ compiler determine when a stack slot of a function(part of stack frame of a function) is no longer needed by that function, so it can reuse its memory? .
            By stack slot I mean a part of stack frame of a function, not necessarily a whole stack frame of a function and an example to clarify the matter is, suppose we have a function that has six integer variables defined in its scope, when it's time to use sixth variable...
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            • Pooria
              started a topic relation between access specifiers and using initializer lists for POD types in c++0x
              in C

              relation between access specifiers and using initializer lists for POD types in c++0x

              take two following classes:

              Code:
              class Test1{
 public:
  Test1()=default;
  Test1(char in1,char in2):char1(in1),char2(in2){}
  char char1;
  char char2;
};
class Test2{
 public:
  Test2()=default;
  Test2(char in1,char in2):char1(in1),char2(in2){}
 private:
  char char1;
  char char2;
};
              I know in c++0x both of these classes...
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              • Pooria
                started a topic a macro to extract characters of its input text and generate a code using them
                in C

                a macro to extract characters of its input text and generate a code using them

                Is there a macro that can get a text as input like "abc" and then extract characters in that text and generate a code using them, something like "{'a','b',' c'}" ?
                thanks.
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                • Pooria
                  started a topic Will this initialization syntax be valid in upcoming c++0x standard ?
                  in C

                  Will this initialization syntax be valid in upcoming c++0x standard ?

                  Suppose we have following two classes:
                  Code:
                  class Temp{
 public:
  char a;
  char b;
};
class Final{
 private:
  int a;
  char b;
  char c;
 public:
  Final(Temp in):b(in.a),c(in.b){}
  //rest of implementation
};
                  can we initialize an object of the Final class with following syntax in upcoming c++0x standard:
                  Final obj(Temp{'a','b '}...
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