Occasionally I have to explicitly add a type annotation, either for
clarity or to help choose a typeclass instance. Usually top-level
type annotations take care of this, but sometimes it's convenient to
only annotate a certain value, e.g. one argument of a lambda.
I've noticed that while vanilla
On Sun, Jul 28, 2013 at 9:01 AM, Simon Peyton-Jones
simo...@microsoft.com wrote:
Giving good type error messages is tricky!
Indeed, and I'm fully aware this is a Hard Problem.
You get different behaviour for literals because 0 has type (forall a. Num a
= a), whereas you declared x1 to have
This is already a separate extension: PatternSignatures. However, that
extension is deprecated for some reason.
On Tue, Aug 6, 2013 at 2:46 PM, Evan Laforge qdun...@gmail.com wrote:
Occasionally I have to explicitly add a type annotation, either for
clarity or to help choose a typeclass
