3 Sep
2017
3 Sep
'17
6:25 p.m.
On 4 September 2017 at 08:17, Henning Thielemann
On Mon, 4 Sep 2017, Ivan Lazar Miljenovic wrote:
It's backwards-incompatible, but my preference - especially when you consider the libraries that parse the String - is to have fromString return Maybe.
An expression that is undefined because of "" would become an expression that is undefined because of Nothing, right? I do not see a benefit.
Sorry, yes, I was thinking that GHC could determine that the result was Nothing and throw a type-checking failure, but that doesn't work. -- Ivan Lazar Miljenovic Ivan.Miljenovic@gmail.com http://IvanMiljenovic.wordpress.com