### defer

Submits a completion token or function object for execution.

    template<
        typename CompletionToken>
    DEDUCED defer(
        CompletionToken && token);
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    template<
        typename Executor,
        typename CompletionToken = DEFAULT>
    DEDUCED defer(
        const Executor & ex,
        CompletionToken && token = DEFAULT,
        typename enable_if< execution::is_executor< Executor >::value||is_executor< Executor >::value >::type *  = 0);
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    template<
        typename ExecutionContext,
        typename CompletionToken = DEFAULT>
    DEDUCED defer(
        ExecutionContext & ctx,
        CompletionToken && token = DEFAULT,
        typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
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##### Requirements

Header: `asio/defer.hpp`

Convenience header: `asio.hpp`