diff options
Diffstat (limited to 'pretyping/reductionops.ml')
| -rw-r--r-- | pretyping/reductionops.ml | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/pretyping/reductionops.ml b/pretyping/reductionops.ml index b2a9bdcc55..e86732658b 100644 --- a/pretyping/reductionops.ml +++ b/pretyping/reductionops.ml @@ -939,16 +939,10 @@ let splay_lam_n env sigma n = in decrec env n empty_rel_context -exception NotASort - -let decomp_sort env sigma t = +let is_sort env sigma t = match kind_of_term (whd_betadeltaiota env sigma t) with - | Sort s -> s - | _ -> raise NotASort - -let is_sort env sigma arity = - try let _ = decomp_sort env sigma arity in true - with NotASort -> false + | Sort s -> true + | _ -> false (* reduction to head-normal-form allowing delta/zeta only in argument of case/fix (heuristic used by evar_conv) *) |