diff --git a/src/typing/typer.ml b/src/typing/typer.ml index 8307365974f..c3dbc68d239 100644 --- a/src/typing/typer.ml +++ b/src/typing/typer.ml @@ -1740,13 +1740,19 @@ and type_call_builtin ctx e el mode with_type p = | TFun signature -> type_bind ctx e signature args p | _ -> raise Exit) | (EConst (Ident "$type"),_) , e1 :: el -> - let e1 = type_expr ctx e1 with_type in - let s = s_type (print_context()) e1.etype in - let s = match el with + let expected = match el with | [EConst (Ident "_"),_] -> - Printf.sprintf "%s (expected: %s)" s (WithType.to_string with_type) + Some (WithType.to_string with_type) | _ -> + None + in + let e1 = type_expr ctx e1 with_type in + let s = s_type (print_context()) e1.etype in + let s = match expected with + | None -> s + | Some s_expected -> + Printf.sprintf "%s (expected: %s)" s s_expected in warning ctx WInfo s e1.epos; e1