14 Apr
2014
14 Apr
'14
7:22 a.m.
On Mon, Apr 14, 2014 at 1:03 PM, Dimitri DeFigueiredo < defigueiredo@ucdavis.edu> wrote:
oldbuysell :: String -- "buy", "sell" or ""
Why is this String when you've defined the perfectly cromulent BuyOrSell datatype? How can you be sure there won't be some accidental buggy code that sets the field to "buyy"? -- Kim-Ee