compute DOL languages #26307
Description
With the patch
sage: s = WordMorphism({0: [0,1], 1:[0]})
sage: %time L = s.language(10000)
CPU times: user 221 ms, sys: 10.3 ms, total: 231 ms
Wall time: 221 ms
sage: len(L)
10001
Component: combinatorics
Author: Vincent Delecroix
Branch/Commit: 431bee7
Reviewer: Sébastien Labbé
Issue created by migration from https://trac.sagemath.org/ticket/26307