How to check my array for ""

[hopesfall]

I have an array of a typedef I made:

typedef unsigned char PegType;

When I debug the program, I see that some indices have the value '', which I think is a blank index (not even a white space). I want to be able to check for these occurrences and change the '' to a white space " ". How can I do this? I've tried:

if(myArrayOfPegType[i] == ""){
    myArrayOfPegType[i] == " ";
}

But the compiler tells me "Opperand types are incompatible ("char" and "const char*")"

[hamsterman]

a char cannot contain nothing. If you're seeing '', it could be 0 or some other unprintable char. If you can, cast it to integer to see what the numeric value is and compare to that.

[therockon7throw]

Hi

you may use strlen to check whether the length of the target object zero is.

see http://www.cplusplus.com/reference/clibrary/cstring/strlen/

and remove one of the = operator from assigment ( cant use == in assigment) line 2

    // not this way 
     myArrayOfPegType[i] == " ";

   //but

          myArrayOfPegType[i] = ' '; 

    // or  this way
        myArrayOfPegType[i] = (char) 32;

}

hope it helps

[Need4Sleep]

As a little note, " " is really a const string of text. By typing std::cout << "blah" you are really printing out a constant pointer to char(string), because you cant modify what in the quotations(you would just create another one!). You are trying to assign a string " " to the vector CHAR. You would want to use ' '