Update dependencies

lib/mix/tasks/mneme.install.ex

@@ -149,8 +149,8 @@ defmodule Mix.Tasks.Mneme.Install do
   end
 
   defp move_to_def_or_defp(zipper, call_name, arity) do
-    with :error <- Igniter.Code.Function.move_to_def(zipper, call_name, arity) do
-      Igniter.Code.Function.move_to_defp(zipper, call_name, arity)
+    with :error <- Function.move_to_def(zipper, call_name, arity) do
+      Function.move_to_defp(zipper, call_name, arity)
     end
   end
 end

lib/mneme/assertion/context.ex

@@ -39,7 +39,7 @@ defmodule Mneme.Assertion.Context do
   """
   @spec with_keysets(t) :: t
   def with_keysets(%__MODULE__{} = context) do
-    %__MODULE__{context | keysets: get_keysets(context.original_pattern)}
+    %{context | keysets: get_keysets(context.original_pattern)}
   end
 
   # Keysets are the lists of keys being matched in any map patterns. We

lib/mneme/diff/formatter.ex

@@ -238,6 +238,13 @@ defmodule Mneme.Diff.Formatter do
   defp to_fmt_instructions(:delimiter, _op, {list, _}) when is_list(list), do: []
   defp to_fmt_instructions(:delimiter, _op, {{_, _}, _}), do: []
 
+  # blocks don't have user-visible delimiters to highlight
+  defp to_fmt_instructions(:delimiter, _op, {{:__block__, _meta, _args}, _}), do: []
+
+  # final fallback for any other shapes we don't explicitly handle
+  defp to_fmt_instructions(:delimiter, _op, {_unknown, _}), do: []
+  defp to_fmt_instructions(:delimiter, _op, _), do: []
+
   defp delimiter_to_fmt_instructions(op, meta, start_len, end_len) do
     case meta do
       %{line: l, column: c, closing: %{line: l2, column: c2}} ->

mix.exs

@@ -58,7 +58,7 @@ defmodule Mneme.MixProject do
       {:rewrite, "~> 1.0"},
       {:text_diff, "~> 0.1"},
       {:file_system, "~> 1.0"},
-      {:igniter, "~> 0.5.0 or ~> 0.4.0 or ~> 0.3.76"},
+      {:igniter, "~> 0.6.0"},
 
       # Development / Test
       {:benchee, "~> 1.0", only: :dev},