From Rabhi's & Lapalme's book 'Algorithms - A Functional Programming Approach' I'm getting a non-exhaustive pattern match
From Rabhi's & Lapalme's book 'Algorithms - A Functional Programming Approach' 1999, I'm getting a non-exhaustive pattern match
weight x y g = w where (Just w) = g!(x,y) I can't figure out why
where (Just
On Thu, 22 Jul 2021 at 14:21, Casey Hawthorne
From Rabhi's & Lapalme's book 'Algorithms - A Functional Programming Approach' 1999, I'm getting a non-exhaustive pattern match
weight x y g = w where (Just w) = g!(x,y)
I can't figure out why
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g!(x, y) can return 'Nothing' as well, but you are not considering it
and therefore the non-exhaustive pattern.
Best,
Mukesh
On Thu, Jul 22, 2021 at 12:21 PM Casey Hawthorne
From Rabhi's & Lapalme's book 'Algorithms - A Functional Programming Approach' 1999, I'm getting a non-exhaustive pattern match
weight x y g = w where (Just w) = g!(x,y)
I can't figure out why
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participants (3)
-
Casey Hawthorne -
mukesh tiwari -
Richard O'Keefe