elmcraft · gampleman · May 19, 2025 · Feb 18, 2025 · Feb 18, 2025 · Mar 6, 2025
diff --git a/docs.json b/docs.json
diff --git a/src/List/Extra.elm b/src/List/Extra.elm
@@ -1,5 +1,5 @@
 module List.Extra exposing
-    ( last, init, getAt, cons, uncons, unconsLast, maximumBy, maximumWith, minimumBy, minimumWith, andMap, andThen, reverseMap, takeWhile, dropWhile, unique, uniqueBy, allDifferent, allDifferentBy, setIf, setAt, remove, updateIf, updateAt, updateIfIndex, removeAt, removeIfIndex, removeWhen, swapAt, stableSortWith
+    ( last, init, getAt, cons, uncons, unconsLast, push, appendTo, prependTo, maximumBy, maximumWith, minimumBy, minimumWith, andMap, andThen, reverseMap, takeWhile, dropWhile, unique, uniqueBy, allDifferent, allDifferentBy, setIf, setAt, remove, updateIf, updateAt, updateIfIndex, removeAt, removeIfIndex, removeWhen, swapAt, stableSortWith
     , intercalate, transpose, subsequences, permutations, interweave, cartesianProduct, uniquePairs
     , foldl1, foldr1, indexedFoldl, indexedFoldr, Step(..), stoppableFoldl
     , scanl, scanl1, scanr, scanr1, mapAccuml, mapAccumr, unfoldr, iterate, initialize, cycle, reverseRange
@@ -17,7 +17,7 @@ module List.Extra exposing
 
 # Basics
 
-@docs last, init, getAt, cons, uncons, unconsLast, maximumBy, maximumWith, minimumBy, minimumWith, andMap, andThen, reverseMap, takeWhile, dropWhile, unique, uniqueBy, allDifferent, allDifferentBy, setIf, setAt, remove, updateIf, updateAt, updateIfIndex, removeAt, removeIfIndex, removeWhen, swapAt, stableSortWith
+@docs last, init, getAt, cons, uncons, unconsLast, push, appendTo, prependTo, maximumBy, maximumWith, minimumBy, minimumWith, andMap, andThen, reverseMap, takeWhile, dropWhile, unique, uniqueBy, allDifferent, allDifferentBy, setIf, setAt, remove, updateIf, updateAt, updateIfIndex, removeAt, removeIfIndex, removeWhen, swapAt, stableSortWith
 
 
 # List transformations
@@ -303,6 +303,45 @@ unconsLast list =
                 |> Just
 
 
+{-| Adds an element to the end of a list. Not terribly efficient, but comes up a lot in UI programming:
+
+    someItems
+        |> List.map viewItem
+        |> List.Extra.push addNewItemButton
+        |> Html.ul []
+
+-}
+push : a -> List a -> List a
+push x xs =
+    xs ++ [ x ]
+
+
+{-| Append with arguments optimised for pipelines.
+
+    [ 4, 5, 6 ]
+        |> List.Extra.appendTo [ 1, 2, 3 ]
+        --> [ 4, 5, 6, 1, 2, 3 ]
+
+Useful for pipelined code, where the argument order of `List.append` doesn't quite work.
+
+-}
+appendTo : List a -> List a -> List a
+appendTo a b =
+    List.append b a
+
+
+{-| Prepends a list.
+
+    [ 4, 5, 6 ]
+        |> List.Extra.prependTo [ 1, 2, 3 ]
+        --> [ 1, 2, 3, 4, 5, 6 ]
+
+-}
+prependTo : List a -> List a -> List a
+prependTo =
+    List.append
+
+
 {-| Find the first maximum element in a list using a comparable transformation
 -}
 maximumBy : (a -> comparable) -> List a -> Maybe a

diff --git a/tests/elm-verify-examples.json b/tests/elm-verify-examples.json
@@ -1,5 +1,4 @@
 {
-  "root": "../src",
   "tests": [
     "Array.Extra",
     "Basics.Extra",