[Haskell-cafe] How do you make constant expressions?

Max Bolingbroke batterseapower at hotmail.com
Mon Jul 19 04:42:35 EDT 2010

Use NoMonomorphismRestriction or give an explicit type signature:

width :: Num a => a
width = 800


On 19 July 2010 09:17, Eitan Goldshtrom <thesourceofx at gmail.com> wrote:
> Correction to my last e-mail. I figured out why it worked at first and then
> failed, so I'll refine my question. I'd like the compiler to simply put the
> number 800 everywhere that I put the name "width" in my code. Instead it's
> putting (800 :: Float), or Double or Int, whatever I want, but it's
> restricted to one data type. I want to remove that restriction since it is a
> constant.
> -Eitan
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