[Haskell-cafe] Investigating single-letter type variables

[Albert Y. C. Lai]

On 2017-08-10 06:29 PM, Jeffrey Brown wrote:
> Haskellers tend to use uninformative single-letter type variables. A 

Do you prefer this?

id :: domain ~ codomain => domain -> codomain
id argument = return_value
   where
     return_value = argument