On Jul 2, 2015, at 13:54 , Rick Mann <[email protected]> wrote:
>
>> On Jul 2, 2015, at 13:51 , Jonathan Hull <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> It is a closure which takes TypeA and returns TypeB.
>
> I thought those were written as this:
>
> (TypeA) -> TypeB
>
> With parentheses around the parameter list.
A 1-tuple is the same thing as the value it encloses, and parameter lists have
the syntax of a tuple. However, if you also specify a parameter name:
(type: TypeA) -> TypeB
presumably because the operators wouldn’t associate in the correct order
otherwise.
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