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Diffstat (limited to 'pretyping/inductiveops.ml')
| -rw-r--r-- | pretyping/inductiveops.ml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pretyping/inductiveops.ml b/pretyping/inductiveops.ml index dfdc24d480..90aa8000a8 100644 --- a/pretyping/inductiveops.ml +++ b/pretyping/inductiveops.ml @@ -584,6 +584,15 @@ let type_of_inductive_knowing_conclusion env sigma ((mib,mip),u) conclty = env evdref scl ar.template_level (ctx,ar.template_param_levels) in !evdref, mkArity (List.rev ctx,scl) +let type_of_projection_knowing_arg env sigma p c ty = + let IndType(pars,realargs) = + try find_rectype env sigma ty + with Not_found -> + raise (Invalid_argument "type_of_projection_knowing_arg_type: not an inductive type") + in + let (_,u), pars = dest_ind_family pars in + substl (c :: List.rev pars) (Typeops.type_of_projection env (p,u)) + (***********************************************) (* Guard condition *) |