On Thu, Jan 9, 2014 at 11:25 AM, Vlatko Basic
... is letting the programmer do what they need to do with a minimum of fuss or extra work ... But doesn't the need of mixing Maybe and Either cause more work for the programmer? Programmer of library, or programmer using the library?
Arguably if you need to switch from Maybe to Either then you did not think out your program sufficiently beforehand. And if you did think it out, what exactly is the problem with using appropriate data types in appropriate places? -- brandon s allbery kf8nh sine nomine associates allbery.b@gmail.com ballbery@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net