Proposal: Improving the IsString String instance
Henning Thielemann
lemming at henning-thielemann.de
Mon Aug 26 21:41:22 CEST 2013
On Mon, 26 Aug 2013, Gabriel Gonzalez wrote:
> I'm guessing this is sarcastic, but I just want to clarify what I
> understood Henning's proposal to be. He's not saying we should provide
> an `o` function in the standard library, but rather encourage users to
> define their own.
Yes. I would be ok if packages provide this function, but I would urge
programmers to import that explicitly.
> This one liner would take the place of the current line that they
> devote right now to `OverloadedStrings` .
right
> However, the analogy is still apt since the exact same line of reasoning applies to overloaded numeric
> literals where we currently rely on defaulting to solve this problem.
I always use -Wall and thus I am warned about when defaulting takes
place. Thus I am confident that I do not rely on defaulting in my code.
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