On 17 May 2008, at 22:52, immanuel litzroth wrote:
Haskell does not "deduce" what to include. You have to explicitly import each module or no magic happens. Can't really see the big difference with #include "stdio.h" and import Unix.
C is composed of two languages: the preprocessor, to which #include belongs, and merely composes the files into one compile unit, and the C compiler, which processes that. So the C language itself does not have any #include directive. This setup makes it impossible for the C language to deduce module dependencies the way Haskell does, which causes the complicated setup of the compiler. And of course, in Haskell, one needs to tell which modules to import.
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