Yep, I think that’s probably on the money. I guess this is really a classic
example of the problem with writing code using internet search.
Many thanks!
> On May 7, 2021, at 4:38 PM, Ben Greenman wrote:
>
> On 5/7/21, Shu-Hung You wrote:
>> Not that I have any idea of what's going on, but
On 5/7/21, Shu-Hung You wrote:
> Not that I have any idea of what's going on, but interestingly, Typed
> Racket's second ->* example has (1)(3)(4). The use of list* may be
> possible if one follows the type (List* String Natural x) in the
> example.
>
>
Not that I have any idea of what's going on, but interestingly, Typed
Racket's second ->* example has (1)(3)(4). The use of list* may be
possible if one follows the type (List* String Natural x) in the
example.
Background: I teach a PL course, using Shriram’s PLAI. Many of the assignments
require students to maintain an environment mapping symbols to values. Shriram
illustrates a nice easy way to do this, as a list of two-element structures.
You can also use an immutable hash. Fine. So I’m grading a
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