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<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pro-types">Protected Types</a> |
<a href="#pro-methods">Protected Member Functions</a> |
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<div class="headertitle"><div class="title">dpp::async< R > Class Template Reference</div></div>
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<p>A co_await-able object handling an API call in parallel with the caller.
<a href="classdpp_1_1async.html#details">More...</a></p>
<p><code>#include <coro/async.h></code></p>
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<img id="dynsection-1-trigger" src="closed.png" alt="+"/> Collaboration diagram for dpp::async< R >:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-types" name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:ad1561d13a56efc7f5c5063b44d18c8db"><td class="memItemLeft" align="right" valign="top">using </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#ad1561d13a56efc7f5c5063b44d18c8db">result_type</a> = R</td></tr>
<tr class="memdesc:ad1561d13a56efc7f5c5063b44d18c8db"><td class="mdescLeft"> </td><td class="mdescRight">The return type of the API call. Defaults to <a class="el" href="structdpp_1_1confirmation__callback__t.html" title="The results of a REST call wrapped in a convenient struct.">confirmation_callback_t</a>. <a href="classdpp_1_1async.html#ad1561d13a56efc7f5c5063b44d18c8db">More...</a><br /></td></tr>
<tr class="separator:ad1561d13a56efc7f5c5063b44d18c8db"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aacfe00bd5adfcdace79eaceb929e2b31"><td class="memTemplParams" colspan="2">template<typename Obj , typename Fun , typename... Args> </td></tr>
<tr class="memitem:aacfe00bd5adfcdace79eaceb929e2b31"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#aacfe00bd5adfcdace79eaceb929e2b31">async</a> (Obj &&obj, Fun &&fun, Args &&... args)</td></tr>
<tr class="memdesc:aacfe00bd5adfcdace79eaceb929e2b31"><td class="mdescLeft"> </td><td class="mdescRight">Construct an async object wrapping an object method, the call is made immediately by forwarding to <a href="https://en.cppreference.com/w/cpp/utility/functional/invoke">std::invoke</a> and can be awaited later to retrieve the result. <a href="classdpp_1_1async.html#aacfe00bd5adfcdace79eaceb929e2b31">More...</a><br /></td></tr>
<tr class="separator:aacfe00bd5adfcdace79eaceb929e2b31"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5d38b4712ab7f2d4b9dae3ce44377029"><td class="memTemplParams" colspan="2">template<typename Fun , typename... Args> </td></tr>
<tr class="memitem:a5d38b4712ab7f2d4b9dae3ce44377029"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#a5d38b4712ab7f2d4b9dae3ce44377029">async</a> (Fun &&fun, Args &&... args)</td></tr>
<tr class="memdesc:a5d38b4712ab7f2d4b9dae3ce44377029"><td class="mdescLeft"> </td><td class="mdescRight">Construct an async object wrapping an invokeable object, the call is made immediately by forwarding to <a href="https://en.cppreference.com/w/cpp/utility/functional/invoke">std::invoke</a> and can be awaited later to retrieve the result. <a href="classdpp_1_1async.html#a5d38b4712ab7f2d4b9dae3ce44377029">More...</a><br /></td></tr>
<tr class="separator:a5d38b4712ab7f2d4b9dae3ce44377029"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1d098f7733f9890192a480a5490553c0"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#a1d098f7733f9890192a480a5490553c0">async</a> (const <a class="el" href="classdpp_1_1async.html">async</a> &)=delete</td></tr>
<tr class="memdesc:a1d098f7733f9890192a480a5490553c0"><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor is disabled. <a href="classdpp_1_1async.html#a1d098f7733f9890192a480a5490553c0">More...</a><br /></td></tr>
<tr class="separator:a1d098f7733f9890192a480a5490553c0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b8a635e0cbba12e750d0fb57497f866"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#a1b8a635e0cbba12e750d0fb57497f866">async</a> (<a class="el" href="classdpp_1_1async.html">async</a> &&)=default</td></tr>
<tr class="memdesc:a1b8a635e0cbba12e750d0fb57497f866"><td class="mdescLeft"> </td><td class="mdescRight">Move constructor, moves the awaitable async object. <a href="classdpp_1_1async.html#a1b8a635e0cbba12e750d0fb57497f866">More...</a><br /></td></tr>
<tr class="separator:a1b8a635e0cbba12e750d0fb57497f866"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8c382ce9ce0062b160934c9c16be09d3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classdpp_1_1async.html">async</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#a8c382ce9ce0062b160934c9c16be09d3">operator=</a> (const <a class="el" href="classdpp_1_1async.html">async</a> &)=delete</td></tr>
<tr class="memdesc:a8c382ce9ce0062b160934c9c16be09d3"><td class="mdescLeft"> </td><td class="mdescRight">Copy assignment operator is disabled. <a href="classdpp_1_1async.html#a8c382ce9ce0062b160934c9c16be09d3">More...</a><br /></td></tr>
<tr class="separator:a8c382ce9ce0062b160934c9c16be09d3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a347ad32214c7142958e3718165de1af5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classdpp_1_1async.html">async</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#a347ad32214c7142958e3718165de1af5">operator=</a> (<a class="el" href="classdpp_1_1async.html">async</a> &&)=default</td></tr>
<tr class="memdesc:a347ad32214c7142958e3718165de1af5"><td class="mdescLeft"> </td><td class="mdescRight">Move assignment operator, moves the awaitable async object. <a href="classdpp_1_1async.html#a347ad32214c7142958e3718165de1af5">More...</a><br /></td></tr>
<tr class="separator:a347ad32214c7142958e3718165de1af5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aae89c11b1a858c061facb6311b2ec45f"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1async.html#aae89c11b1a858c061facb6311b2ec45f">~async</a> ()</td></tr>
<tr class="memdesc:aae89c11b1a858c061facb6311b2ec45f"><td class="mdescLeft"> </td><td class="mdescRight">Destructor, signals to the callback that the async object is gone and shouldn't be notified of the result. <a href="classdpp_1_1async.html#aae89c11b1a858c061facb6311b2ec45f">More...</a><br /></td></tr>
<tr class="separator:aae89c11b1a858c061facb6311b2ec45f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2e8ac296160fcb2a4f9c9b17f05c19d0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1awaitable.html#a2e8ac296160fcb2a4f9c9b17f05c19d0">if_this_causes_an_invalid_read_your_promise_was_destroyed_before_your_awaitable____check_your_promise_lifetime</a> ()</td></tr>
<tr class="memdesc:a2e8ac296160fcb2a4f9c9b17f05c19d0"><td class="mdescLeft"> </td><td class="mdescRight">Title :) <a href="classdpp_1_1awaitable.html#a2e8ac296160fcb2a4f9c9b17f05c19d0">More...</a><br /></td></tr>
<tr class="separator:a2e8ac296160fcb2a4f9c9b17f05c19d0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af5a9d38341cd3290adf06dabf74fc86e"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1awaitable.html#af5a9d38341cd3290adf06dabf74fc86e">valid</a> () const noexcept</td></tr>
<tr class="memdesc:af5a9d38341cd3290adf06dabf74fc86e"><td class="mdescLeft"> </td><td class="mdescRight">Check whether this awaitable refers to a valid promise. <a href="classdpp_1_1awaitable.html#af5a9d38341cd3290adf06dabf74fc86e">More...</a><br /></td></tr>
<tr class="separator:af5a9d38341cd3290adf06dabf74fc86e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1e16ffda1db2dcc811334a2ba0c59be3"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1awaitable.html#a1e16ffda1db2dcc811334a2ba0c59be3">await_ready</a> () const</td></tr>
<tr class="memdesc:a1e16ffda1db2dcc811334a2ba0c59be3"><td class="mdescLeft"> </td><td class="mdescRight">Check whether or not co_await-ing this would suspend the caller, i.e. if we have the result or not. <a href="classdpp_1_1awaitable.html#a1e16ffda1db2dcc811334a2ba0c59be3">More...</a><br /></td></tr>
<tr class="separator:a1e16ffda1db2dcc811334a2ba0c59be3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae532f5a8ec60af0b49e7c02780f36f0d"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1basic__awaitable.html#ae532f5a8ec60af0b49e7c02780f36f0d">sync_wait</a> ()</td></tr>
<tr class="memdesc:ae532f5a8ec60af0b49e7c02780f36f0d"><td class="mdescLeft"> </td><td class="mdescRight">Blocks this thread and waits for the awaitable to finish. <a href="classdpp_1_1basic__awaitable.html#ae532f5a8ec60af0b49e7c02780f36f0d">More...</a><br /></td></tr>
<tr class="separator:ae532f5a8ec60af0b49e7c02780f36f0d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a44c9ff53eb87f550aaba04ab7d92c183"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1basic__awaitable.html#a44c9ff53eb87f550aaba04ab7d92c183">sync_wait_for</a> (const std::chrono::duration< Rep, Period > &duration)</td></tr>
<tr class="memdesc:a44c9ff53eb87f550aaba04ab7d92c183"><td class="mdescLeft"> </td><td class="mdescRight">Blocks this thread and waits for the awaitable to finish. <a href="classdpp_1_1basic__awaitable.html#a44c9ff53eb87f550aaba04ab7d92c183">More...</a><br /></td></tr>
<tr class="separator:a44c9ff53eb87f550aaba04ab7d92c183"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a39fe143781a89b19052b6e4d35d30ffe"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1basic__awaitable.html#a39fe143781a89b19052b6e4d35d30ffe">sync_wait_until</a> (const std::chrono::time_point< Clock, Duration > &time)</td></tr>
<tr class="memdesc:a39fe143781a89b19052b6e4d35d30ffe"><td class="mdescLeft"> </td><td class="mdescRight">Blocks this thread and waits for the awaitable to finish. <a href="classdpp_1_1basic__awaitable.html#a39fe143781a89b19052b6e4d35d30ffe">More...</a><br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pro-types" name="pro-types"></a>
Protected Types</h2></td></tr>
<tr class="memitem:a9419b84ca1372b18abc65303f6055826"><td class="memItemLeft" align="right" valign="top">using </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1awaitable.html#a9419b84ca1372b18abc65303f6055826">shared_state</a> = detail::promise::promise_base< R ></td></tr>
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<tr class="memitem:a187e3c1460de31c7278c7593790684cf"><td class="memItemLeft" align="right" valign="top">using </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1awaitable.html#a187e3c1460de31c7278c7593790684cf">state_flags</a> = detail::promise::state_flags</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pro-methods" name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a7d8e184c4b06848b3e46c780a8bfa5a2"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1awaitable.html#a7d8e184c4b06848b3e46c780a8bfa5a2">abandon</a> ()</td></tr>
<tr class="memdesc:a7d8e184c4b06848b3e46c780a8bfa5a2"><td class="mdescLeft"> </td><td class="mdescRight">Abandons the promise. <a href="classdpp_1_1awaitable.html#a7d8e184c4b06848b3e46c780a8bfa5a2">More...</a><br /></td></tr>
<tr class="separator:a7d8e184c4b06848b3e46c780a8bfa5a2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad920651cfc75f83e7977a8dcd6f32a85"><td class="memItemLeft" align="right" valign="top">auto </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1basic__awaitable.html#ad920651cfc75f83e7977a8dcd6f32a85">sync_wait_impl</a> (auto &&do_wait)</td></tr>
<tr class="memdesc:ad920651cfc75f83e7977a8dcd6f32a85"><td class="mdescLeft"> </td><td class="mdescRight">Implementation for sync_wait. This is code used by sync_wait, sync_wait_for, sync_wait_until. <a href="classdpp_1_1basic__awaitable.html#ad920651cfc75f83e7977a8dcd6f32a85">More...</a><br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pro-attribs" name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:ada827bdde416f47b2164d245b0bae838"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classdpp_1_1awaitable.html#a9419b84ca1372b18abc65303f6055826">shared_state</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classdpp_1_1awaitable.html#ada827bdde416f47b2164d245b0bae838">state_ptr</a></td></tr>
<tr class="memdesc:ada827bdde416f47b2164d245b0bae838"><td class="mdescLeft"> </td><td class="mdescRight">Non-owning pointer to the promise, which must be kept alive for the entire lifetime of the awaitable. <a href="classdpp_1_1awaitable.html#ada827bdde416f47b2164d245b0bae838">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><div class="compoundTemplParams">template<typename R><br />
class dpp::async< R ></div><p >A co_await-able object handling an API call in parallel with the caller. </p>
<p >This class is the return type of the dpp::cluster::co_* methods, but it can also be created manually to wrap any async call.</p>
<dl class="section remark"><dt>Remarks</dt><dd>- The coroutine may be resumed in another thread, do not rely on thread_local variables. </dd></dl>
<dl class="section warning"><dt>Warning</dt><dd>- This feature is EXPERIMENTAL. The API may change at any time and there may be bugs. Please report any to <a href="https://github.com/brainboxdotcc/DPP/issues">GitHub issues</a> or to the <a href="https://discord.gg/dpp">D++ Discord server</a>. </dd></dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">R</td><td>The return type of the API call. Defaults to <a class="el" href="structdpp_1_1confirmation__callback__t.html" title="The results of a REST call wrapped in a convenient struct.">confirmation_callback_t</a> </td></tr>
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</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ad1561d13a56efc7f5c5063b44d18c8db">◆ </a></span>result_type</h2>
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<td class="memname">using <a class="el" href="classdpp_1_1async.html">dpp::async</a>< R >::<a class="el" href="classdpp_1_1async.html#ad1561d13a56efc7f5c5063b44d18c8db">result_type</a> = R</td>
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<p>The return type of the API call. Defaults to <a class="el" href="structdpp_1_1confirmation__callback__t.html" title="The results of a REST call wrapped in a convenient struct.">confirmation_callback_t</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9419b84ca1372b18abc65303f6055826">◆ </a></span>shared_state</h2>
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<td class="memname">using <a class="el" href="classdpp_1_1awaitable.html">dpp::awaitable</a>< R >::<a class="el" href="classdpp_1_1awaitable.html#a9419b84ca1372b18abc65303f6055826">shared_state</a> = detail::promise::promise_base<R ></td>
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<span class="mlabels"><span class="mlabel">protected</span><span class="mlabel">inherited</span></span> </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a187e3c1460de31c7278c7593790684cf">◆ </a></span>state_flags</h2>
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<td class="memname">using <a class="el" href="classdpp_1_1awaitable.html">dpp::awaitable</a>< R >::<a class="el" href="classdpp_1_1awaitable.html#a187e3c1460de31c7278c7593790684cf">state_flags</a> = detail::promise::state_flags</td>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="aacfe00bd5adfcdace79eaceb929e2b31" name="aacfe00bd5adfcdace79eaceb929e2b31"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aacfe00bd5adfcdace79eaceb929e2b31">◆ </a></span>async() <span class="overload">[1/4]</span></h2>
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template<typename R > </div>
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template<typename Obj , typename Fun , typename... Args> </div>
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<p>Construct an async object wrapping an object method, the call is made immediately by forwarding to <a href="https://en.cppreference.com/w/cpp/utility/functional/invoke">std::invoke</a> and can be awaited later to retrieve the result. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">obj</td><td>The object to call the method on </td></tr>
<tr><td class="paramname">fun</td><td>The method of the object to call. Its last parameter must be a callback taking a parameter of type R </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a5d38b4712ab7f2d4b9dae3ce44377029">◆ </a></span>async() <span class="overload">[2/4]</span></h2>
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template<typename R > </div>
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<p>Construct an async object wrapping an invokeable object, the call is made immediately by forwarding to <a href="https://en.cppreference.com/w/cpp/utility/functional/invoke">std::invoke</a> and can be awaited later to retrieve the result. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">fun</td><td>The object to call using <a href="https://en.cppreference.com/w/cpp/utility/functional/invoke">std::invoke</a>. Its last parameter must be a callable taking a parameter of type R </td></tr>
<tr><td class="paramname">args</td><td>Parameters to pass to the object, excluding the callback </td></tr>
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<a id="a1d098f7733f9890192a480a5490553c0" name="a1d098f7733f9890192a480a5490553c0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1d098f7733f9890192a480a5490553c0">◆ </a></span>async() <span class="overload">[3/4]</span></h2>
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<td class="memname"><a class="el" href="classdpp_1_1async.html">dpp::async</a>< R >::<a class="el" href="classdpp_1_1async.html">async</a> </td>
<td>(</td>
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<p>Copy constructor is disabled. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1b8a635e0cbba12e750d0fb57497f866">◆ </a></span>async() <span class="overload">[4/4]</span></h2>
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<p>Move constructor, moves the awaitable async object. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aae89c11b1a858c061facb6311b2ec45f">◆ </a></span>~async()</h2>
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<p>Destructor, signals to the callback that the async object is gone and shouldn't be notified of the result. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a7d8e184c4b06848b3e46c780a8bfa5a2">◆ </a></span>abandon()</h2>
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<td class="memname">auto <a class="el" href="classdpp_1_1awaitable.html">dpp::awaitable</a>< R >::abandon</td>
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<p>Abandons the promise. </p>
<p >Set the promise's state to broken and unlinks this awaitable.</p>
<dl class="section return"><dt>Returns</dt><dd>uint8_t Flags previously held before setting them to broken </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a1e16ffda1db2dcc811334a2ba0c59be3">◆ </a></span>await_ready()</h2>
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<td class="memname">bool <a class="el" href="classdpp_1_1awaitable.html">dpp::awaitable</a>< R >::await_ready</td>
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<p>Check whether or not co_await-ing this would suspend the caller, i.e. if we have the result or not. </p>
<dl class="section return"><dt>Returns</dt><dd>bool Whether we already have the result or not </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a2e8ac296160fcb2a4f9c9b17f05c19d0">◆ </a></span>if_this_causes_an_invalid_read_your_promise_was_destroyed_before_your_awaitable____check_your_promise_lifetime()</h2>
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<td class="memname">void <a class="el" href="classdpp_1_1awaitable.html">dpp::awaitable</a>< R >::if_this_causes_an_invalid_read_your_promise_was_destroyed_before_your_awaitable____check_your_promise_lifetime </td>
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<p>Title :) </p>
<p >We use this in the destructor </p>
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<p>Move assignment operator, moves the awaitable async object. </p>
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<p>Copy assignment operator is disabled. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae532f5a8ec60af0b49e7c02780f36f0d">◆ </a></span>sync_wait()</h2>
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<td class="memname">auto <a class="el" href="classdpp_1_1basic__awaitable.html">dpp::basic_awaitable</a>< <a class="el" href="classdpp_1_1awaitable.html">awaitable</a>< R > >::sync_wait </td>
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<p>Blocks this thread and waits for the awaitable to finish. </p>
<dl class="section attention"><dt>Attention</dt><dd>This will BLOCK THE THREAD. It is likely you want to use co_await instead. </dd></dl>
<dl class="section return"><dt>Returns</dt><dd>If T is void, returns a boolean for which true means the awaitable completed, false means it timed out. </dd>
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If T is non-void, returns a std::optional<T> for which an absence of value means timed out. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a44c9ff53eb87f550aaba04ab7d92c183">◆ </a></span>sync_wait_for()</h2>
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<p>Blocks this thread and waits for the awaitable to finish. </p>
<dl class="section attention"><dt>Attention</dt><dd>This will BLOCK THE THREAD. It is likely you want to use co_await instead. </dd></dl>
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<dl class="section return"><dt>Returns</dt><dd>If T is void, returns a boolean for which true means the awaitable completed, false means it timed out. </dd>
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If T is non-void, returns a std::optional<T> for which an absence of value means timed out. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad920651cfc75f83e7977a8dcd6f32a85">◆ </a></span>sync_wait_impl()</h2>
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<p>Implementation for sync_wait. This is code used by sync_wait, sync_wait_for, sync_wait_until. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">Timed</td><td>Whether the wait function times out or not </td></tr>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">do_wait</td><td>Function to do the actual wait on the cv </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>If T is void, returns a boolean for which true means the awaitable completed, false means it timed out. </dd>
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If T is non-void, returns a std::optional<T> for which an absence of value means timed out. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a39fe143781a89b19052b6e4d35d30ffe">◆ </a></span>sync_wait_until()</h2>
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<p>Blocks this thread and waits for the awaitable to finish. </p>
<dl class="section attention"><dt>Attention</dt><dd>This will BLOCK THE THREAD. It is likely you want to use co_await instead. </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">time</td><td>Maximum time point to wait for </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>If T is void, returns a boolean for which true means the awaitable completed, false means it timed out. </dd>
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If T is non-void, returns a std::optional<T> for which an absence of value means timed out. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af5a9d38341cd3290adf06dabf74fc86e">◆ </a></span>valid()</h2>
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<p>Check whether this awaitable refers to a valid promise. </p>
<dl class="section return"><dt>Returns</dt><dd>bool Whether this awaitable refers to a valid promise or not </dd></dl>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ada827bdde416f47b2164d245b0bae838">◆ </a></span>state_ptr</h2>
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<td class="memname"><a class="el" href="classdpp_1_1awaitable.html#a9419b84ca1372b18abc65303f6055826">shared_state</a>* <a class="el" href="classdpp_1_1awaitable.html">dpp::awaitable</a>< R >::state_ptr</td>
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<p>Non-owning pointer to the promise, which must be kept alive for the entire lifetime of the awaitable. </p>
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