std::ends
From cppreference.com
| Defined in header <ostream>
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template< class CharT, class Traits >
std::basic_ostream<CharT, Traits>& ends( std::basic_ostream<CharT, Traits>& os );
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Inserts a null character into the output sequence os as if by calling os.put(CharT()).
This is an output-only I/O manipulator, it may be called with an expression such as out << std::ends for any out of type std::basic_ostream.
Notes
This manipulator is typically used with std::ostrstream, when the associated output buffer needs to be null-terminated to be processed as a C string.
Unlike std::endl, this manipulator does not flush the stream.
Parameters
| os | - | reference to output stream |
Return value
os (reference to the stream after insertion of the null character).
Example
Run this code
#include <cstdio>
#include <strstream>
int main()
{
std::ostrstream oss;
oss << "Sample text: " << 42 << std::ends;
std::printf("%s\n", oss.str());
oss.freeze(false); // enable memory deallocation
}
Output:
Sample text: 42