[Haskell-beginners] Functions in "where" block.

[Kim-Ee Yeoh]

On Thu, Jun 12, 2014 at 8:54 AM, Venu Chakravorty <c.venu at aol.com> wrote:

> fun.hs:4:15: parse error on input `='
>

The problem wasn't obvious until I copy-pasted it into an editor:

You have tabs instead of spaces for the line defining ep.

The rule of thumb is that your editor must expand all tabs into matching
spaces for whitespace-sensitive languages like haskell. Or else you'll
waste time with this kind of parsing errors.

-- Kim-Ee
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