Compute the least upper bound of a list of elements.
(semiLattice: StringAdd).self
(semiLattice: StringFormat).self
(semiLattice: ArrowAssoc[SemiLattice]).x
(Since version 2.10.0) Use leftOfArrow
instead
(semiLattice: Ensuring[SemiLattice]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
A complete lattice.