diff --git a/R/aaa-cliques.R b/R/aaa-cliques.R
index 83f6472fdf4..21434a414ac 100644
--- a/R/aaa-cliques.R
+++ b/R/aaa-cliques.R
@@ -66,8 +66,8 @@ cliques_callback_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
@@ -192,8 +192,8 @@ maximal_cliques_callback_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
diff --git a/R/aaa-coloring.R b/R/aaa-coloring.R
index 66d0ecef0de..7265711110c 100644
--- a/R/aaa-coloring.R
+++ b/R/aaa-coloring.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== detect ====
 
diff --git a/R/aaa-community.R b/R/aaa-community.R
index a67057ab763..3a0836bc865 100644
--- a/R/aaa-community.R
+++ b/R/aaa-community.R
@@ -319,8 +319,8 @@ community_leading_eigenvector_callback_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
diff --git a/R/aaa-cycles.R b/R/aaa-cycles.R
index f7671c6bde0..76b1ca8a410 100644
--- a/R/aaa-cycles.R
+++ b/R/aaa-cycles.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== acyclic-graphs-feedback-sets ====
 
@@ -329,8 +330,8 @@ simple_cycles_callback_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
diff --git a/R/aaa-embedding.R b/R/aaa-embedding.R
index 60588c0b985..e15113cea6b 100644
--- a/R/aaa-embedding.R
+++ b/R/aaa-embedding.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== spectral-embedding ====
 
diff --git a/R/aaa-generators.R b/R/aaa-generators.R
index 09bf075a9ad..824a4b619b4 100644
--- a/R/aaa-generators.R
+++ b/R/aaa-generators.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== adjacency-generators ====
 
diff --git a/R/aaa-graphlets.R b/R/aaa-graphlets.R
index e9604885b0c..b3c0362fbd8 100644
--- a/R/aaa-graphlets.R
+++ b/R/aaa-graphlets.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== performing-graphlet-decomposition ====
 
diff --git a/R/aaa-hrg.R b/R/aaa-hrg.R
index 9d6ebbbab93..969c6600bbe 100644
--- a/R/aaa-hrg.R
+++ b/R/aaa-hrg.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== conversion-to-and-from-igraph-graphs ====
 
diff --git a/R/aaa-isomorphism.R b/R/aaa-isomorphism.R
index 343419a9d95..1656bf0b81b 100644
--- a/R/aaa-isomorphism.R
+++ b/R/aaa-isomorphism.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== bliss-algorithm ====
 
@@ -572,8 +573,8 @@ get_isomorphisms_vf2_callback_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
@@ -730,8 +731,8 @@ get_subisomorphisms_vf2_callback_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
diff --git a/R/aaa-motifs.R b/R/aaa-motifs.R
index 9f6ce32afa7..3368918943c 100644
--- a/R/aaa-motifs.R
+++ b/R/aaa-motifs.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== finding-triangles ====
 
@@ -84,8 +85,8 @@ motifs_randesu_callback_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
diff --git a/R/aaa-processes.R b/R/aaa-processes.R
index 0b2170fb319..95e33a9ab3f 100644
--- a/R/aaa-processes.R
+++ b/R/aaa-processes.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== epidemic-models ====
 
diff --git a/R/aaa-separators.R b/R/aaa-separators.R
index ef97067ea63..ba11f7d371b 100644
--- a/R/aaa-separators.R
+++ b/R/aaa-separators.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 all_minimal_st_separators_impl <- function(
   graph
diff --git a/R/aaa-spatial.R b/R/aaa-spatial.R
index 264a1557dbe..bcfce443eb4 100644
--- a/R/aaa-spatial.R
+++ b/R/aaa-spatial.R
@@ -1,5 +1,6 @@
 # Generated by tools/split-aaa-auto.R from aaa-auto.R — do not edit by hand
 # styler: off
+# jarl-ignore-file unused_function: irrelevant for _impl functions
 
 # ==== nongraph-spatial ====
 
diff --git a/R/aaa-visitors.R b/R/aaa-visitors.R
index dbf822202c3..00c05873bd1 100644
--- a/R/aaa-visitors.R
+++ b/R/aaa-visitors.R
@@ -52,8 +52,8 @@ bfs_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
@@ -156,8 +156,8 @@ dfs_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
@@ -178,8 +178,8 @@ dfs_closure_impl <- function(
             rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
           }
         },
-        error = function(e) e,
-        interrupt = function(e) e
+        error = identity,
+        interrupt = identity
       )
     }
   } else {
diff --git a/tools/stimulus/types-RR.yaml b/tools/stimulus/types-RR.yaml
index bfb5ca69ed8..d013fdcaed3 100644
--- a/tools/stimulus/types-RR.yaml
+++ b/tools/stimulus/types-RR.yaml
@@ -431,8 +431,8 @@ CLOSURE:
                   rlang::error_cnd(message = "Callback returned a value different from TRUE or FALSE")
                 }
               },
-              error = function(e) e,
-              interrupt = function(e) e
+              error = identity,
+              interrupt = identity
             )
           }
         } else {