unique

Remove duplicate values.

Alterantives: unique, isUnique.

function unique(x, fc, fm)
// x:  an iterable
// fc: compare function (a, b)
// fm: map function (v, i, x)

References

• Data.List.nub: Haskell
• List-Extra.unique: elm
• List-Extra.uniqueBy: elm
• _.uniq: lodash