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Comment by hrldcpr | Hacker News Reader

My Haskell is rusty—what does this line do?

    type Burrito = Meat option * Ingredient list

Does `*` create a tuple type?

Do lowercase `option` and `list` somehow specify `Option` and `List` types?

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I think this is F#, not Haskell. '*' creates a product type, pretty sure it's a tuple in this case. "Meat option" is an alternative syntax for "Option<Meat>" and "Ingredient list" is a linked list of Ingredients

Looks more like F# (or something ML-y) than Haskell.

Yep, tuple or "product type."

Yep, in F# type annotations can be either in prefix style `List<T>` or postfix style `T list`.

You are meant to feel it. Just: it does whatever is helpful.

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