A Pointless Library Proposal
roconnor at theorem.ca
Wed Oct 25 02:45:40 EDT 2006
Samuel Bronson <naesten <at> gmail.com> writes:
> On 10/24/06, Russell O'Connor <roconnor <at> theorem.ca> wrote:
> > Why have a function body at all? Shouldn't the type signature be sufficent?
> Remember that type signatures need not be adjacent to function
> definitions. Now ponder what would happen if you forgot to define a
> function. Have a clue why it isn't sufficient now?
If you turn on -Wall in GHC, you would get a warning that your pattern coverage
is incomplete. We should make it so that if the pattern coverage is incomplete
and there is no function body, then that is an error.
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