[Haskell-cafe] "shadowing" keywords like "otherwise"
felipe.lessa at gmail.com
Sun Jun 28 07:28:12 EDT 2009
On Sun, Jun 28, 2009 at 12:49:12AM -0700, Kim-Ee Yeoh wrote:
> This isn't really a shadowing/redefinition issue. Here's
> a perfectly legitimate snippet that compiles fine:
> f 0 = 0
> f otherwise = 1+otherwise
What? It is a redefinition issue *as well*, but this kind of
warning isn't active by default
Prelude> :s -Wall
Prelude> let f 0 = 0; f otherwise = 1 + otherwise
Warning: This binding for `otherwise' shadows the existing binding
imported from Prelude
In the definition of `f'
More information about the Haskell-Cafe