[Haskell-cafe] better error expression in IO function
jeremy.shaw at linspireinc.com
Wed Jul 11 20:10:24 EDT 2007
At Thu, 12 Jul 2007 09:18:14 +1000,
Thomas Conway wrote:
> On 7/12/07, Andrew Coppin <andrewcoppin at btinternet.com> wrote:
> > It's fairly common to use the Either type for this. By convention,
> > "Right" means "correct", and by elimination "Left" means an error...
> Presumably, this is because the world is dominated by dull,
> conventional, right handed people. :-)
Personally, I blame it on the Romans.
The English word "sinister" comes from the Latin word
"sinister,-tra,-trum", which originally meant "left" but took on
meanings of "evil" or "unlucky" by the Classical Latin era.
More information about the Haskell-Cafe