diff --git a/src/indexes.luau b/src/indexes.luau
index aa533f4..fe8416e 100644
--- a/src/indexes.luau
+++ b/src/indexes.luau
@@ -10,7 +10,7 @@ type Source<T> = () -> T
 
 local function indexes<K, V, Obj>(
     input: Source<Map<K, V>>,
-    component: (Source<V>, K, Source<boolean>) -> (Obj, number?)
+    component: (Source<V>, K, Source<boolean>) -> (Obj, ...number)
 ): Source<Array<Obj>>
     local update_count = 0
     local scopes = {} :: Map<K, {
diff --git a/src/show.luau b/src/show.luau
index bbb4218..27b9d45 100644
--- a/src/show.luau
+++ b/src/show.luau
@@ -9,8 +9,8 @@ type Source<T> = () -> T
 
 local function show<T, Obj>(
     input: Source<T?>,
-    component: (Source<T>, Source<boolean>) -> (Obj, number?),
-    fallback: ((Source<boolean>) -> (Obj, number?))?
+    component: (Source<T>, Source<boolean>) -> (Obj, ...number),
+    fallback: ((Source<boolean>) -> (Obj, ...number))?
 ): Source<nil | Obj | Array<Obj>>
     local filtered_input = source()
 
diff --git a/src/switch.luau b/src/switch.luau
index ee1af28..0e74932 100644
--- a/src/switch.luau
+++ b/src/switch.luau
@@ -6,7 +6,7 @@ local timeout = require "./timeout" ()
 type Array<T> = { T }
 type Map<K, V> = { [K]: V }
 type Source<T> = () -> T
-type Component<T> = (Source<boolean>) -> (T, number?)
+type Component<T> = (Source<boolean>) -> (T, ...number)
 
 local function switch_map<K, Obj>(
     input: Source<K>,
diff --git a/src/values.luau b/src/values.luau
index c4a3563..33bc5e4 100644
--- a/src/values.luau
+++ b/src/values.luau
@@ -10,7 +10,7 @@ type Source<T> = () -> T
 
 local function values<K, V, Obj>(
     input: Source<Map<K, V>>,
-    component: (V, Source<K>, Source<boolean>) -> (Obj, number?)
+    component: (V, Source<K>, Source<boolean>) -> (Obj, ...number)
 ): Source<Array<Obj>>
     local update_count = 0
     local scopes = {} :: Map<V, {