Copyright	(C) 2014-2016 Edward Kmett and Eric Mertens
License	BSD-style (see the file LICENSE)
Maintainer	Edward Kmett <ekmett@gmail.com>
Stability	provisional
Portability	non-portable
Safe Haskell	Safe
Language	Haskell2010

Control.Lens.Internal.List

Description

This module provides utility functions on lists used by the library implementation.

Synopsis

Documentation

Arguments

:: Int	strict upper bound
-> [Int]	ordinals
-> [Int]	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

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