On Thu, Feb 23, 2017 at 9:05 PM, Harendra Kumar
Kids have this amazing ability to break any toy in minutes. I gave my seven year old daughter ghci to play with and in a little while she said it is broken:
let 1 = 2
1
1
Earlier, I had explained to her about symbols and assigning values to symbols, and I said numbers are not symbols. But when she came up with this I could not explain what's going on. How can "1 = 2" be a valid equation? Am I missing something fundamental here, or it is just broken?
It's a pattern match. The match fails, but as it produced no bindings it cannot be observed and its success or failure is irrelevant. -- brandon s allbery kf8nh sine nomine associates allbery.b@gmail.com ballbery@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net