optics-extra-0.1: Extra utilities and instances for optics-core

Optics.Extra.Internal.Vector

ordinalNub Source #

Arguments

strict upper bound

ordinals

unique, in-bound ordinals, in order seen

Return the the subset of given ordinals within a given bound and in order of the first occurrence seen.

Bound: 0 <= x < l

0 <= x < l

>>> ordinalNub 3 [-1,2,1,4,2,3] [2,1]

>>>

ordinalNub 3 [-1,2,1,4,2,3]