The containers package doesn't have these instances, you may want to open up an issue for it [1] - Adam [1] https://github.com/haskell/containers On Sun, Apr 13, 2014 at 11:07 AM, Konstantine Rybnikov <k-bx@k-bx.com>wrote:
On Sun, Apr 13, 2014 at 10:45 AM, Konstantine Rybnikov <k-bx@k-bx.com>wrote:
Hi!
I wanted to check out great new OverloadedLists [0] feature, but got an error as in [1].
What am I doing wrong?
Thanks.
[0]: https://www.haskell.org/ghc/docs/7.8.1/html/users_guide/type-class-extension... [1]: https://gist.github.com/k-bx/10574806
Just FYI, IRC-user @Hermit fixed it by adding IsList instance to Map.
https://gist.github.com/Arm/10575474
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