Oh! of course. Makes sense.
If I make a pull request, does that mean I get a pass for wasting my time doing
advent of code?
John
> On Dec 15, 2019, at 18:41, Sam Tobin-Hochstadt wrote:
>
> Yes, this is because the contract enforces parametericity, which
> doesn't allow `index-of` to work the
Yes, this is because the contract enforces parametericity, which
doesn't allow `index-of` to work the way you'd want.
Instantiating things doesn't help because the contract is based on the
`require/typed`, not on the use site.
Here's a few suggestions:
1. Submit a pull-request to TR to add `inde
It looks like my quick attempt at importing index-of into TR is running into a
problem. Here’s the program I ran:
#lang typed/racket
(require/typed racket/list
[index-of (All (T) ((Listof T) T -> (U False Natural)))])
(index-of '(n s e w) 'n) ;; returns... #f?
In typed/racket/no
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