No longer inline binary expressions in EEx

String.Chars is now always inlined by the compiler.

Closes #2815

Signed-off-by: José Valim <jose.valim@plataformatec.com.br>

Author: José Valim

lib/eex/lib/eex/engine.ex

@@ -99,10 +99,7 @@ defmodule EEx.Engine do
   def handle_expr(buffer, "=", expr) do
     quote do
       tmp = unquote(buffer)
-      tmp <> (case unquote(expr) do
-        bin when is_binary(bin) -> bin
-        oth -> String.Chars.to_string(oth)
-      end)
+      tmp <> String.Chars.to_string(unquote(expr))
     end
   end