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 <[email protected]> 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 > > > _______________________________________________ > Haskell-Cafe mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/haskell-cafe > > _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
