CODEWITHSUNDEEP
c++carraystypes
LeviTheDegu
LeviTheDegu

Reputation: 295

Operand types are incompatible ("char" and "const char*")

I'm receiving the following error...

Operand types are incompatible ("char" and "const char*")

... when trying to perform an if statement. I'm assuming I'm not understanding how the input value is stored although I'm unsure if I can just cast it into the matching type?

Example code to reproduce is: 

char userInput_Text[3];

if (userInput_Text[1] == "y") {
    // Do stuff.
}

I'm not sure what's causing this. It would appear that one type is a char and the other is a const char pointer although I'm unsure of what, for reference this error also occurs when I'm not using an array).

And tips / feedback would be much appreciated.

Upvotes: 22

Views: 76546

Answers (1)

Karl Nicoll
Karl Nicoll

Reputation: 16419

Double quotes are the shortcut syntax for a c-string in C++. If you want to compare a single character, you must use single quotes instead. You can simply change your code to this:

char userInput_Text[3];

if (userInput_Text[1] == 'y') { // <-- Single quotes here.
    // Do stuff.
}

For reference:

  • "x" = const char *
  • 'x' = char

Upvotes: 60

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