Re: [whatwg/streams] Standard text for TransformStream (#811)

ricea commented on this pull request.



> +<div class="non-normative">
+
+<em>This section is non-normative.</em>
+
+If one were to write the {{TransformStreamDefaultController}} class in something close to the syntax of [[!ECMASCRIPT]],
+it would look like
+
+<pre><code class="lang-javascript">
+  class TransformStreamDefaultController {
+    constructor(stream)
+
+    get desiredSize()
+
+    enqueue(chunk)
+    error(reason)
+    terminate()

Yes, they all have different semantics. So based on the principle of "different things should look different", we use different names for them. See #774 for the discussion where we added `terminate()`. The difference between `cancel()` and `close()` is mentioned in the FAQ: https://github.com/whatwg/streams/blob/master/FAQ.md#why-dont-errors-that-occur-while-cancelling-put-the-readable-stream-in-an-error-state

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