diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pretty_print_coq.ml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pretty_print_coq.ml b/src/pretty_print_coq.ml index 3083fc29..1fea72ea 100644 --- a/src/pretty_print_coq.ml +++ b/src/pretty_print_coq.ml @@ -1961,6 +1961,10 @@ let doc_exp, doc_let = if effects then match cast_ex, outer_ex with | ExGeneral, ExNone -> string "projT1_m" ^/^ parens epp + | ExGeneral, ExGeneral -> + if alpha_equivalent env cast_typ outer_typ + then epp + else string "derive_m" ^/^ parens epp | _ -> epp else match cast_ex with | ExGeneral -> string "projT1" ^/^ parens epp |