[Haskell-cafe] Efficient object identity (aka symbols as data)

[Jacek Generowicz]

On 2011 May 26, at 11:59, Jacek Generowicz wrote:

> (I imagine that a Sufficiently Smart Compiler could reduce (==) ::  
> Person Person to just integer comparison.)

Sorry, I meant

(==) :: Person -> Person -> Bool

in the above.