Syntax of records and arrays

[Yannick Duchêne]

I just checked I can write this without an error, mixing numbers and names for record labels:

        @{0=int, a=char}

It this intended? I don’t want to comment on the choice, this is just to know if it’s intended.

With arrays, I noticed I can write this:

        @[char][] // No dimensions

        @[char][3, 2] // Multiple dimensions

For the first one, I don’t understand what it means, but it does not trigger any error and the JSON produced just contains no dimensions. Is this intended? The second is clear, but I wonder if it is intended too, since I did not find a confirmation in the introduction and tutorial PDF.

[Hongwei Xi]

>>@{0=int, a=char}

This may look unorthodox, but it is supported.

A label in ATS2 can be either a number or an identifier.

>>@[char][]

>>@[char][3,2]

Yes, these types are legal at level-2. They may not be supported at

a later stage during compilation. My intention is to support arrays of multiple

dimension eventually.

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