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A customisation point that delivers a done notification to a receiver.
constexpr unspecified set_done = unspecified;
The name execution::set_done
denotes a customisation point object.
The expression execution::set_done(R)
for some subexpression
R
is expression-equivalent to:
R.set_done()
, if that expression is valid. If the function
selected does not signal the receiver R
's done channel,
the program is ill-formed with no diagnostic required.
set_done(R)
, if that expression is valid, with
overload resolution performed in a context that includes the declaration
void set_done();
and that does not include a declaration
of execution::set_done
. If the function selected by overload
resolution does not signal the receiver R
's done channel,
the program is ill-formed with no diagnostic required.
execution::set_done(R)
is ill-formed.
Header: boost/asio/execution/set_done.hpp
Convenience header: boost/asio/execution.hpp