Documentation Suggestion

[jarredsimmer-fb]

Please complete the information below:

What is the problem?

I suggest adding a description of the method of construction on this page as it's sorely needed but lacking. For example,
$foo = Set{}; or $foo = Set{'bar', 'another_bar'}

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Please don't change anything below this point.

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• Build ID: HHVM=HHVM-4.95.0:HSL=v4.93.0:2021-02-09T09:00:03+0000:1fa47f258c6b68f8ec01899aa82fd6ffa0957109
• Page requested: /hack/reference/class/HH.Set/
• Page requested at: Tue, 09 Feb 2021 17:27:51 +0000
• Controller: APIClassPageController

[Wilfred]

We should probably link to https://docs.hhvm.com/hack/arrays-and-collections/collections#set-and-immset