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  • ''For me that probably starts with the semigroup/group/ring setup, and good
    2 KB (307 words) - 18:55, 4 April 2019
  • applyUPre :: (Functor f, Semigroup s) => s -> f (t,s) -> f (t,s)
    7 KB (1,077 words) - 14:56, 12 June 2014
  • class Semigroup m where class Semigroup m => Monoid m where
    7 KB (1,106 words) - 17:20, 24 August 2018
  • =Semigroup= A semigroup is a set <math>S\ </math> together with a binary operation <math>\oplus\ </
    179 KB (29,428 words) - 19:21, 15 August 2019
  • ...ve many useful operations. You can 'foldMap1' a non-empty container with a semigroup. You can 'traverse1' a non-empty container with a mere Apply (semi-applicat
    4 KB (765 words) - 04:26, 4 September 2013
  • == Additional Semigroup constraints == ...e> as a superclass...). If you get an error about "could not deduce <code>Semigroup</code> constraint" you probably just need to add one.
    3 KB (570 words) - 03:31, 6 March 2012
  • ...trong> represents a set with an associative binary operation. This makes a semigroup a superset of [[Data.Monoid|monoids]]. Semigoups have no other restrictions <div>See also [[Data.Monoid]]: a <hask>Semigroup</hask> with an identity value.</div>
    4 KB (681 words) - 18:38, 18 August 2018
  • |+ Semigroup > import Data.Semigroup
    3 KB (320 words) - 15:53, 21 June 2018