eex_fail.ex

defmodule View do
  defrecord Page, [templates: []]

  defmacro __using__(_) do
    template = """
    <%= for template <- page.templates do %>
      <%= template.id %> ::
    <% end %>

    <%= if true do %>
      Hello
    <% end %>
    """
    body = EEx.compile_string(template, [])

    quote context: nil do
      def render() do
        page = unquote(__MODULE__).Page[]
        unquote(body)
      end
    end
  end
end

defmodule Page do
  use View
end

Page.render

output_context_nil

λ elixir eex_fail.ex
eex_fail.ex:26: warning: variable '_@4' exported from 'case' (line -1)
** (MatchError) no match of right hand side value: "\n\n"
    eex_fail.ex:26: Page.render/0
    (elixir) src/elixir_lexical.erl:17: :elixir_lexical.run/2
    (elixir) lib/code.ex:303: Code.require_file/2

output_no_context

λ elixir eex_fail.ex
eex_fail.ex:26: warning: variable '_@5' exported from 'case' (line -1)
** (CompileError) eex_fail.ex:1: function page/0 undefined
    (stdlib) lists.erl:1336: :lists.foreach/2
    eex_fail.ex:25: (file)
    (elixir) src/elixir_lexical.erl:17: :elixir_lexical.run/2
    (elixir) lib/code.ex:303: Code.require_file/2