Help...Operator Overloading...Problem

[titan0111]

----inside of class called snowfall, i wrote----

int operator == (char[]);


----and right before main() i wrote----

int snowfall:perator == (char str[])

// comparing two member data (dates)

{
return (strcmp(date, str) == 0) ? 1 : 0;
}


----inside of main i called it----

while (sf.getdate() != "00/00")
{...}

i was told that this won't work. can you tell me what's wrong?
and give me the correct way to write it?

 

[Ron Natalie]

----inside of class called snowfall, i wrote----

int operator == (char[]);

while (sf.getdate() != "00/00")
{...}

i was told that this won't work. can you tell me what's wrong?
and give me the correct way to write it?

== and != are two distinct operators. You defined one but
are using the other.

 

[Victor Bazarov]

----inside of class called snowfall, i wrote----

int operator == (char[]);

Make it

bool operator==(const char*) const;

----and right before main() i wrote----

int snowfall:perator == (char str[])

bool snowfall:perator == (char const *str) const

// comparing two member data (dates)

{
return (strcmp(date, str) == 0) ? 1 : 0;

return strcmp(date, str) == 0;

}


----inside of main i called it----

while (sf.getdate() != "00/00")
{...}

i was told that this won't work. can you tell me what's wrong?

Not with much assuredness lacking the definition of 'snowfall' type
and the declaration of 'sf' here. But I suspect the idea is to do

while (sf != "00/00")

and give me the correct way to write it?

See above. And next time read the FAQ.

V

 

[Victor Bazarov]

(e-mail address removed) wrote: [...]

----inside of main i called it----

while (sf.getdate() != "00/00")
{...}

i was told that this won't work. can you tell me what's wrong?

Not with much assuredness lacking the definition of 'snowfall' type
and the declaration of 'sf' here. But I suspect the idea is to do

while (sf != "00/00")

And, yes, I missed the fact that you're using != having defined ==.
Ron is right. Pay attention what operator you're using.

V

 

[titan0111]

---in class i changed to----

int operator != (char[]);

---right after class i changed difinition to----

int snowfall:perator != (char str[])

// overloading operator = to compare two strings

{
return (strcmp(date, str) == 0) ? 0 : 1;
}

----in main() i wrote----
while (sf.getdate() != "00/00")

and it won't still work....

 

[Victor Bazarov]

---in class i changed to----

int operator != (char[]);

---right after class i changed difinition to----

int snowfall:perator != (char str[])

// overloading operator = to compare two strings

{
return (strcmp(date, str) == 0) ? 0 : 1;
}

----in main() i wrote----
while (sf.getdate() != "00/00")

and it won't still work....

Read the FAQ 5.8 (http://www.parashift.com/c++-faq-lite/)

V

 

[Karl Heinz Buchegger]

---in class i changed to----

int operator != (char[]);

---right after class i changed difinition to----

int snowfall:perator != (char str[])

// overloading operator = to compare two strings

{
return (strcmp(date, str) == 0) ? 0 : 1;
}

----in main() i wrote----
while (sf.getdate() != "00/00")

and it won't still work....

Then please tell us what 'does not work' means!
Do you get an error message from the compiler? If yes,
which one?