C++ Manipulator nounitbuf

C++ manipulator nounitbuf() function is used to clear the unitbuf format flag for the str stream.

When we set nounitbuf format flag, then it disables automatic flushing of the output stream after any output operation.

Syntax

Parameter

str: stream object whose format flag is affected.

Return value

It returns argument str.

Data Races

Data races may cause when modifies str concurrent access to the same stream object.

Exceptions

str is in a valid state, if an exception is thrown.

Example 1

Let's see the simple example to demonstrate the use of nounitbuf:

Output:

Note: - There is no output.

Example 2

Let's see another simple example:

Output:

..(428 ms)....(853 ms)....(1281 ms)....(1708 ms)....(2131 ms)..