[Haskell-cafe] For class Monoid; better names than mempty & mappend might have been: mid (mident) & mbinop

Sebastian Fischer fischer at nii.ac.jp
Mon Jul 25 04:09:22 CEST 2011


>
> because list is a (the?) free monoid.


 Yes, all free monoids are isomorphic (to lists).

Sebastian
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