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Semigroup (Or) implementation not according to specification #23

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chetnashah opened this issue Oct 16, 2019 · 0 comments
Open

Semigroup (Or) implementation not according to specification #23

chetnashah opened this issue Oct 16, 2019 · 0 comments

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@chetnashah
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https://github.com/andrewMacmurray/haskell-book-solutions/blob/master/src/ch15/Semigroup.hs#L188
I think the second case below is missed?

Prelude> Fst 1 <> Snd 2
Snd 2
Prelude> Fst 1 <> Fst 2
Fst 2
Prelude> Snd 1 <> Fst 2
Snd 1
Prelude> Snd 1 <> Snd 2
Snd 1
@chetnashah chetnashah changed the title implementation not according to specification Semigroup (Or) implementation not according to specification Oct 16, 2019
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