[Haskell-beginners] GHCi won't allow type declaration as shown in LYAHFGG

[Stan Kulp]

I have been working my way through "Learn You a Haskell for Greater Good" and am stumped when I get to the "Syntax in Functions - Pattern Matching" section.

The book shows the following expression...

ghci> lucky :: (Integral a) => a -> String  

...but when I try to execute it in GHCi I get the following error...

<interactive>:1:1: Not in scope: `lucky'

What am I missing? 

 
Stan Kulp
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