[Haskell-beginners] Why WinGHCi does not complain with no import?

[fa-ml]

On Tue, Jan 07, 2014 at 01:58:37PM +0000, Angus Comber wrote:
> I can run getLine' in WinGHCi with no problem.  But how does WinGHCi know
> about getChar and IO?

getChar is defined in the Prelude [1] (and the Prelude gets imported by default
in every program/module)

[1] http://www.haskell.org/ghc/docs/latest/html/libraries/base/Prelude.html#v:getChar