[Haskell-cafe] Binding of an integer variable

[David McBride]

It hasn't been evaluated yet.  It is just a thunk.

>let x = 23
>:show bindings
x :: Integer = _
>x
23
>:show bindings
x :: Integer = 23



On Thu, Jul 28, 2011 at 2:43 PM, Paul Reiners <paul.reiners at gmail.com> wrote:
> I have a question about the following GHCi interaction:
>
> Prelude> let x = 23
> Prelude> :show bindings
> x :: Integer = _
>
> What is the meaning of the underscore in the third line?  Why doesn't it say
> this, instead?
>
> x :: Integer = 23
>
>
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