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tgbotapi/docs/dev.inmo.tgbotapi.extensions.behaviour_builder.expectations/expect-one.html
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<script type="text/javascript" src="../../scripts/main.js"></script> <div class="main-content" id="content" pageIds="docs::dev.inmo.tgbotapi.extensions.behaviour_builder.expectations//expectOne/dev.inmo.tgbotapi.updateshandlers.FlowsUpdatesFilter#dev.inmo.tgbotapi.bot.RequestsExecutor#dev.inmo.tgbotapi.requests.abstracts.Request[*]?#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,dev.inmo.tgbotapi.requests.abstracts.Request[*]?]#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,dev.inmo.tgbotapi.requests.abstracts.Request[*]?]#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,kotlin.Boolean]#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,TypeParam(bounds=[kotlin.Any?])?]/PointingToDeclaration//478411773">
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<h1 class="cover"><span>expect</span><wbr></wbr><span>One</span></h1>
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<div class="platform-hinted " data-platform-hinted="data-platform-hinted"><div class="content sourceset-depenent-content" data-active="" data-togglable=":docs:dokkaHtml/commonMain"><div class="symbol monospace">suspend fun &lt;<a href="expect-one.html">T</a>&gt; <a href="../dev.inmo.tgbotapi.updateshandlers/-flows-updates-filter/index.html">FlowsUpdatesFilter</a>.<a href="expect-one.html">expectOne</a>(bot: <a href="../dev.inmo.tgbotapi.bot/index.html#%5Bdev.inmo.tgbotapi.bot%2FTelegramBot%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F478411773">TelegramBot</a>, initRequest: <a href="../dev.inmo.tgbotapi.requests.abstracts/-request/index.html">Request</a>&lt;*&gt;? = null, errorFactory: <a href="index.html#%5Bdev.inmo.tgbotapi.extensions.behaviour_builder.expectations%2FNullableRequestBuilder%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F478411773">NullableRequestBuilder</a>&lt;*&gt; = { null }, cancelRequestFactory: <a href="index.html#%5Bdev.inmo.tgbotapi.extensions.behaviour_builder.expectations%2FNullableRequestBuilder%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F478411773">NullableRequestBuilder</a>&lt;*&gt; = { null }, cancelTrigger: suspend (<a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a>) -&gt; <a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html">Boolean</a> = { cancelRequestFactory(it) != null }, filter: suspend (<a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a>) -&gt; <a href="expect-one.html">T</a>?): <a href="expect-one.html">T</a><span class="top-right-position"><span class="copy-icon"></span><div class="copy-popup-wrapper popup-to-left"><span class="copy-popup-icon"></span><span>Content copied to clipboard</span></div></span></div></div></div>
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<h2 class="">Parameters</h2><div data-togglable="Parameters"><div class="platform-hinted WithExtraAttributes" data-platform-hinted="data-platform-hinted" data-togglable="Parameters"><div class="content sourceset-depenent-content" data-active="" data-togglable=":docs:dokkaHtml/commonMain"><div data-togglable="Parameters"><div class="table" data-togglable="Parameters"><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">initRequest</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If not null, this request will be sent by <a href="expect-one.html">bot</a> before returning value</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">errorFactory</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when user have sent incorrect data</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">cancelRequestFactory</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when it is required to say user that chain of scenario has been cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">cancelTrigger</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">When this trigger returns true, chain is cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">filter</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">It is main param, which will be called on each update. When it return not null, result will be returned as is, but when it returns null, then will be called <a href="expect-one.html">cancelTrigger</a> (if it will return true - <a href="expect-one.html">cancelRequestFactory</a> will be called too), <a href="expect-one.html">errorFactory</a> and then will be returned null</p></div></div></div></div></div></div></div></div></div></div></div>
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<div class="platform-hinted " data-platform-hinted="data-platform-hinted"><div class="content sourceset-depenent-content" data-active="" data-togglable=":docs:dokkaHtml/commonMain"><div class="symbol monospace">suspend fun &lt;<a href="expect-one.html">T</a>&gt; <a href="../dev.inmo.tgbotapi.extensions.behaviour_builder/-behaviour-context/index.html">BehaviourContext</a>.<a href="expect-one.html">expectOne</a>(initRequest: <a href="../dev.inmo.tgbotapi.requests.abstracts/-request/index.html">Request</a>&lt;*&gt;? = null, errorFactory: <a href="index.html#%5Bdev.inmo.tgbotapi.extensions.behaviour_builder.expectations%2FNullableRequestBuilder%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F478411773">NullableRequestBuilder</a>&lt;*&gt; = { null }, cancelRequestFactory: <a href="index.html#%5Bdev.inmo.tgbotapi.extensions.behaviour_builder.expectations%2FNullableRequestBuilder%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F478411773">NullableRequestBuilder</a>&lt;*&gt; = { null }, cancelTrigger: suspend (<a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a>) -&gt; <a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html">Boolean</a> = { cancelRequestFactory(it) != null }, filter: suspend (<a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a>) -&gt; <a href="expect-one.html">T</a>?): <a href="expect-one.html">T</a><span class="top-right-position"><span class="copy-icon"></span><div class="copy-popup-wrapper popup-to-left"><span class="copy-popup-icon"></span><span>Content copied to clipboard</span></div></span></div></div></div>
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<h2 class="">Parameters</h2><div data-togglable="Parameters"><div class="platform-hinted WithExtraAttributes" data-platform-hinted="data-platform-hinted" data-togglable="Parameters"><div class="content sourceset-depenent-content" data-active="" data-togglable=":docs:dokkaHtml/commonMain"><div data-togglable="Parameters"><div class="table" data-togglable="Parameters"><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">initRequest</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If not null, this request will be sent by bot before returning value</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">errorFactory</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when user have sent incorrect data</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">cancelRequestFactory</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when it is required to say user that chain of scenario has been cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">cancelTrigger</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">When this trigger returns true, chain is cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex">filter</span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">It is main param, which will be called on each update. When it return not null, result will be returned as is, but when it returns null, then will be called <a href="expect-one.html">cancelTrigger</a> (if it will return true - <a href="expect-one.html">cancelRequestFactory</a> will be called too), <a href="expect-one.html">errorFactory</a> and then will be returned null</p></div></div></div></div></div></div></div></div></div></div></div>
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