Data.PartialSemigroup

Partial semigroup

class PartialSemigroup a

Either

data AppendLeft a b

data AppendRight a b

Tuples

Concatenation

groupAndConcat

partialConcat

partialConcat1

Zipping

partialZip

partialZip1

Total semigroups

data Total a

Error-propagating maybe

data Partial a