default instance for IsString

Markus Läll markus.l2ll at
Tue Apr 24 09:45:58 CEST 2012

On Tue, Apr 24, 2012 at 9:26 AM, Yitzchak Gale <gale at> wrote:
> However, what I can do is raise the red flag. Some people
> are pushing things in directions which would cause
> OverloadStrings to become more and more ubiquitous,
> perhaps even the default. I want to make sure that the
> people who are doing that are aware of the deep problems
> with that approach.
> Sure, as much as anyone else, I want string literals
> that can be typed as Text. But not at the cost of
> delaying syntax checking to run time.

What can go wrong when you use an overloaded string to be fromString'd
into Text?

Markus Läll

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