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    std::emit_on_flush, std::noemit_on_flush

    From cppreference.com
    < cpp | io | manip
     
    C++
     
    Input/output library
     
    Input/output manipulators
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    (C++20)  

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    (C++14)
     
    Defined in header <ostream> 
    template< class CharT, class Traits >
std::basic_ostream<CharT, Traits>& emit_on_flush( std::basic_ostream<CharT, Traits>& os );
    		(1) (since C++20) 
    template< class CharT, class Traits >
std::basic_ostream<CharT, Traits>& noemit_on_flush( std::basic_ostream<CharT, Traits>& os );
    		(2) (since C++20)

    If os.rdbuf() actually points to a std::basic_syncbuf<CharT, Traits, Allocator> buf, toggles whether it emits (i.e., transmits data to the underlying stream buffer) when flushed:

    1) calls buf.set_emit_on_sync(true)
    2) calls buf.set_emit_on_sync(false)

    Otherwise, these manipulators have no effect.

    This is an output-only I/O manipulator, it may be called with an expression such as out << std::emit_on_flush for any out of type std::basic_ostream.


    Parameters

    os - reference to output stream

    Return value

    os (reference to the stream after manipulation)

    Example

    This section is incomplete
    Reason: no example

    See also

    		 changes the current emit-on-sync policy
    (public member function of std::basic_syncbuf<CharT,Traits,Allocator>) [edit]