[Haskell-cafe] On the purity of Haskell

[Steve Horne]

On 30/12/2011 10:41, Bardur Arantsson wrote:
>
> This doesn't sound right to me. To me, a "side effect" is something 
> which happens as a (intended or unintended) consequence of something 
> else. An effect which you want to happen (e.g. by calling a procedure, 
> or letting the GHC runtime interpreting an IO Int) is just "an effect".
>
Trouble is, whether it sounds right doesn't really matter - that's just 
an artifact of the meaning you're most familiar with. Any specialist 
field has it's own jargon, including old words given new 
related-but-different meanings.