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execution::start
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A customisation point that notifies an operation state object to start its associated operation.

constexpr unspecified start = unspecified;

The name execution::start denotes a customisation point object. The expression execution::start(R) for some subexpression R is expression-equivalent to:

  • R.start(), if that expression is valid.
  • Otherwise, start(R), if that expression is valid, with overload resolution performed in a context that includes the declaration void start(); and that does not include a declaration of execution::start.
  • Otherwise, execution::start(R) is ill-formed.
Requirements

Header: boost/asio/execution/start.hpp

Convenience header: boost/asio/execution.hpp


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