From e0188ce0f37126ab68a720eecafafb6030af379a Mon Sep 17 00:00:00 2001
From: "Logan C. Brooks" <lcbrooks+github@andrew.cmu.edu>
Date: Fri, 21 Jun 2024 17:57:48 -0700
Subject: [PATCH] Mention trailing commas as possible cause of slide ... error

---
 R/utils.R | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/R/utils.R b/R/utils.R
index a7f7649f..1e1dc440 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -321,7 +321,8 @@ as_slide_computation <- function(f, ...) {
     if (rlang::dots_n(...) > 0L) {
       cli_abort(
         "No arguments can be passed via `...` when `f` is a formula, or there
-        are unrecognized/misspelled parameter names.",
+        are unrecognized/misspelled parameter names, or there is a trailing
+        comma in the `epi[x]_slide()` call.",
         class = "epiprocess__as_slide_computation__formula_with_dots",
         epiprocess__f = f,
         epiprocess__enquos_dots = enquos(...)