feat(library/tactic/inversion_tactic): add more efficient "compilation" for non-indexed inductive datatypes
feat(library/tactic/inversion_tactic): add more efficient "compilation" for non-indexed inductive datatypes

levnach/lean,UlrikBuchholtz/lean,leodemoura/lean,fpvandoorn/lean,soonhokong/lean-osx,johoelzl/lean,rlewis1988/lean,sp3ctum/lean,soonhokong/lean-windows,leanprover/lean,fpvandoorn/lean2,UlrikBuchholtz/lean,leanprover-community/lean,avigad/lean,leanprover-community/lean,htzh/lean,htzh/lean,leodemoura/lean,fpvandoorn/lean,leanprover/lean,soonhokong/lean,digama0/lean,dselsam/lean,avigad/lean,Kha/lean,eigengrau/lean,dselsam/lean,Kha/lean,fgdorais/lean,htzh/lean,rlewis1988/lean,soonhokong/lean-windows,sp3ctum/lean,johoelzl/lean,levnach/lean,soonhokong/lean-windows,javra/lean,javra/lean,johoelzl/lean,fgdorais/lean,johoelzl/lean,c-cube/lean,UlrikBuchholtz/lean,UlrikBuchholtz/lean,fgdorais/lean,soonhokong/lean,avigad/lean,eigengrau/lean,avigad/lean,fgdorais/lean,eigengrau/lean,soonhokong/lean,digama0/lean,javra/lean,c-cube/lean,soonhokong/lean-windows,avigad/lean,johoelzl/lean,avigad/lean,javra/lean,leanprover/lean,leodemoura/lean,digama0/lean,levnach/lean,c-cube/lean,soonhokong/lean,leodemoura/lean,Kha/lean,soonhokong/lean-osx,leodemoura/lean,sp3ctum/lean,c-cube/lean,fpvandoorn/lean,soonhokong/lean-osx,rlewis1988/lean,fpvandoorn/lean,digama0/lean,fpvandoorn/lean,digama0/lean,fpvandoorn/lean2,dselsam/lean,sp3ctum/lean,dselsam/lean,leodemoura/lean,sp3ctum/lean,soonhokong/lean-windows,levnach/lean,eigengrau/lean,UlrikBuchholtz/lean,soonhokong/lean-osx,levnach/lean,Kha/lean,javra/lean,johoelzl/lean,leanprover-community/lean,leanprover-community/lean,dselsam/lean,rlewis1988/lean,leanprover-community/lean,fpvandoorn/lean2,leanprover/lean,Kha/lean,htzh/lean,fpvandoorn/lean2,fgdorais/lean,leanprover/lean,digama0/lean,fpvandoorn/lean2,rlewis1988/lean,eigengrau/lean,soonhokong/lean-osx,leanprover/lean,leanprover-community/lean,htzh/lean,fpvandoorn/lean,Kha/lean,soonhokong/lean,rlewis1988/lean,c-cube/lean,fgdorais/lean,dselsam/lean