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A comment on JSON Schema. Parent comment

Re:JSON Schema by willtim on Sunday February 18, 2018 @05:56PM (#16409354)
oneOf looks like it could be used to encode sum types together with a custom string tag, but that's not the first class treatment that records get.
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Re:JSON Schema by henryluo on Saturday March 03, 2018 @11:20AM (#16509933)
Mark (https://mark.js.org) is a new notation that extends JSON with a type-name, which can be a more structured way to encode type info, instead of using custom string tag.
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