Christian Sievers wrote:
> Hello, I just wondered if it was ever considered to let the main function
> have the type IO Int, in order to let the haskell programm be able to
> return an exit code to the calling environment, as C's int main(...)
> does. I think real programms sometimes want to exit(1) in some
> cases.
Real programmers can do this already. They simply use the standard library
function System.exitWith [1]. I don't like the idea of changing the type of
main to IO Int for several reasons...
Thomas Hallgren
[1] http://haskell.systemsz.cs.yale.edu/onlinelibrary/system.html
