Inline List.duplicate/2

Author: devinus

lib/elixir/lib/list.ex

@@ -166,6 +166,8 @@ defmodule List do
 
   If `n` is `0`, an empty list is returned.
 
+  Inlined by the compiler.
+
   ## Examples
 
       iex> List.duplicate("hello", 0)

lib/elixir/src/elixir_rewrite.erl

@@ -243,6 +243,7 @@ rewrite(Receiver, DotMeta, Right, Meta, Args) ->
 ?rewrite(?float, to_charlist, [Arg], erlang, float_to_list, [Arg, [short]]);
 ?rewrite(?float, to_string, [Arg], erlang, float_to_binary, [Arg, [short]]);
 ?rewrite(?kernel, is_map_key, [Map, Key], erlang, is_map_key, [Key, Map]);
+?rewrite(?list, duplicate, [Elem, N], lists, duplicate, [N, Elem]);
 ?rewrite(?map, delete, [Map, Key], maps, remove, [Key, Map]);
 ?rewrite(?map, fetch, [Map, Key], maps, find, [Key, Map]);
 ?rewrite(?map, 'fetch!', [Map, Key], maps, get, [Key, Map]);