std::flush, what's it good for?
Why use flush? What does it exactly do, and also is it bad to use a lot of std::endl's through-out one's coding?
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http://www.cplusplus.com/reference/iostream/manipulators/flush/
flush() makes sure the file stream is updated with the data.
endl() puts a newline and then uses flush().
It's not bad to use a lot of either, just unnecessary.
For instance, on Haiku (which is another operating system) you are expected to flush std::cout or the text won't display.
On Windows, in my experience, that's not needed.
flush() makes sure the file stream is updated with the data.
endl() puts a newline and then uses flush().
It's not bad to use a lot of either, just unnecessary.
For instance, on Haiku (which is another operating system) you are expected to flush std::cout or the text won't display.
On Windows, in my experience, that's not needed.
Is it necessary to use flush in windows 7 OS? or I can just continue using endl as it is?
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