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Module

x/async_channels/channel.ts>Channel#close

Inspired by Go & Clojure Channels, async_channels provides channels as an asynchronous communication method between asynchronous functions.
Eyal-Shalev/async_channels
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method Channel.prototype.close
import { Channel } from "https://deno.land/x/async_channels@v1.0.0-alpha54/channel.ts";

Closes the channel.

Closing a closed channel have no effect (positive or negative).

Sending a message to a closed channel will throw an AbortedError.

Receiving a message from a closed channel will resolve the promise immediately. See Channel.receive for more information.