ios fail() function in C++ with Examples
The fail() method of ios class in C++ is used to check if the stream is has raised any fail error. It means that this function will check if this stream has its failbit set.
Syntax:
bool fail() const;
Parameters: This method does not accept any parameter.
Return Value: This method returns true if the stream has failbit set, else false.
Example 1:
#include <bits/stdc++.h>
using namespace std;
int main()
{
stringstream ss;
bool isFail = ss.fail();
cout << "is stream fail: "
<< isFail << endl;
return 0;
}
|
Output:
is stream fail: 0
Example 2:
#include <bits/stdc++.h>
using namespace std;
int main()
{
stringstream ss;
ss.clear(ss.failbit);
bool isFail = ss.fail();
cout << "is stream fail: "
<< isFail << endl;
return 0;
}
|
Output:
is stream fail: 1
Reference: hhttp://www.cplusplus.com/reference/ios/ios/fail/
Last Updated :
02 Sep, 2019
Like Article
Save Article
Share your thoughts in the comments
Please Login to comment...