Formmating: Add white space around vertical bar (#4507)

Author: eksperimental

lib/eex/lib/eex/compiler.ex

@@ -25,38 +25,38 @@ defmodule EEx.Compiler do
 
   # Generates the buffers by handling each expression from the tokenizer
 
-  defp generate_buffer([{:text, chars}|t], buffer, scope, state) do
+  defp generate_buffer([{:text, chars} | t], buffer, scope, state) do
     buffer = state.engine.handle_text(buffer, IO.chardata_to_string(chars))
     generate_buffer(t, buffer, scope, state)
   end
 
-  defp generate_buffer([{:expr, line, mark, chars}|t], buffer, scope, state) do
+  defp generate_buffer([{:expr, line, mark, chars} | t], buffer, scope, state) do
     expr = Code.string_to_quoted!(chars, [line: line, file: state.file])
     buffer = state.engine.handle_expr(buffer, IO.chardata_to_string(mark), expr)
     generate_buffer(t, buffer, scope, state)
   end
 
-  defp generate_buffer([{:start_expr, start_line, mark, chars}|t], buffer, scope, state) do
+  defp generate_buffer([{:start_expr, start_line, mark, chars} | t], buffer, scope, state) do
     {contents, line, t} = look_ahead_text(t, start_line, chars)
-    {contents, t} = generate_buffer(t, "", [contents|scope],
+    {contents, t} = generate_buffer(t, "", [contents | scope],
                                     %{state | quoted: [], line: line, start_line: start_line})
     buffer = state.engine.handle_expr(buffer, IO.chardata_to_string(mark), contents)
     generate_buffer(t, buffer, scope, state)
   end
 
-  defp generate_buffer([{:middle_expr, line, _, chars}|t], buffer, [current|scope], state) do
+  defp generate_buffer([{:middle_expr, line, _, chars} | t], buffer, [current | scope], state) do
     {wrapped, state} = wrap_expr(current, line, buffer, chars, state)
-    generate_buffer(t, "", [wrapped|scope], %{state | line: line})
+    generate_buffer(t, "", [wrapped | scope], %{state | line: line})
   end
 
-  defp generate_buffer([{:end_expr, line, _, chars}|t], buffer, [current|_], state) do
+  defp generate_buffer([{:end_expr, line, _, chars} | t], buffer, [current | _], state) do
     {wrapped, state} = wrap_expr(current, line, buffer, chars, state)
     tuples = Code.string_to_quoted!(wrapped, [line: state.start_line, file: state.file])
     buffer = insert_quoted(tuples, state.quoted)
     {buffer, t}
   end
 
-  defp generate_buffer([{:end_expr, line, _, chars}|_], _buffer, [], state) do
+  defp generate_buffer([{:end_expr, line, _, chars} | _], _buffer, [], state) do
     raise EEx.SyntaxError, message: "unexpected token #{inspect chars}", file: state.file, line: line
   end
 
@@ -76,12 +76,12 @@ defmodule EEx.Compiler do
     key = length(state.quoted)
     placeholder = '__EEX__(' ++ Integer.to_char_list(key) ++ ');'
     {current ++ placeholder ++ new_lines ++ chars,
-     %{state | quoted: [{key, buffer}|state.quoted]}}
+     %{state | quoted: [{key, buffer} | state.quoted]}}
   end
 
   # Look text ahead on expressions
 
-  defp look_ahead_text([{:text, text}, {:middle_expr, line, _, chars}|t]=list, start, contents) do
+  defp look_ahead_text([{:text, text}, {:middle_expr, line, _, chars} | t]=list, start, contents) do
     if only_spaces?(text) do
       {contents ++ text ++ chars, line, t}
     else

lib/eex/lib/eex/tokenizer.ex

@@ -25,7 +25,7 @@ defmodule EEx.Tokenizer do
   end
 
   defp tokenize('<%%' ++ t, line, opts, buffer, acc) do
-   tokenize t, line, opts, [?%, ?<|buffer], acc
+   tokenize t, line, opts, [?%, ?< | buffer], acc
   end
 
   defp tokenize('<%#' ++ t, line, opts, buffer, acc) do
@@ -52,11 +52,11 @@ defmodule EEx.Tokenizer do
   end
 
   defp tokenize('\n' ++ t, line, opts, buffer, acc) do
-    tokenize t, line + 1, opts, [?\n|buffer], acc
+    tokenize t, line + 1, opts, [?\n | buffer], acc
   end
 
-  defp tokenize([h|t], line, opts, buffer, acc) do
-    tokenize t, line, opts, [h|buffer], acc
+  defp tokenize([h | t], line, opts, buffer, acc) do
+    tokenize t, line, opts, [h | buffer], acc
   end
 
   defp tokenize([], _line, _opts, buffer, acc) do
@@ -75,16 +75,16 @@ defmodule EEx.Tokenizer do
 
   # Tokenize an expression until we find %>
 
-  defp expr([?%, ?>|t], line, buffer) do
+  defp expr([?%, ?> | t], line, buffer) do
     {:ok, buffer, line, t}
   end
 
   defp expr('\n' ++ t, line, buffer) do
-    expr t, line + 1, [?\n|buffer]
+    expr t, line + 1, [?\n | buffer]
   end
 
-  defp expr([h|t], line, buffer) do
-    expr t, line, [h|buffer]
+  defp expr([h | t], line, buffer) do
+    expr t, line, [h | buffer]
   end
 
   defp expr([], line, _buffer) do
@@ -98,11 +98,11 @@ defmodule EEx.Tokenizer do
   # Middle tokens are marked with "->" or keywords
   # End tokens contain only the end word and optionally ")"
 
-  defp token_name([h|t]) when h in [?\s, ?\t, ?)] do
+  defp token_name([h | t]) when h in [?\s, ?\t, ?)] do
     token_name(t)
   end
 
-  defp token_name('od' ++ [h|_]) when h in [?\s, ?\t, ?)] do
+  defp token_name('od' ++ [h | _]) when h in [?\s, ?\t, ?)] do
     :start_expr
   end
 
@@ -190,22 +190,22 @@ defmodule EEx.Tokenizer do
 
   defp trim_left(buffer, acc) do
     case {trim_whitespace(buffer), acc} do
-      {[?\n|_] = trimmed_buffer, _} -> {true, trimmed_buffer}
+      {[?\n | _] = trimmed_buffer, _} -> {true, trimmed_buffer}
       {[], []} -> {true, []}
       _ -> {false, buffer}
     end
   end
 
   defp trim_right(rest, line) do
     case trim_whitespace(rest) do
-      [?\r, ?\n|trimmed_rest] -> {true, trimmed_rest, line + 1}
-      [?\n|trimmed_rest] -> {true, trimmed_rest, line + 1}
+      [?\r, ?\n | trimmed_rest] -> {true, trimmed_rest, line + 1}
+      [?\n | trimmed_rest] -> {true, trimmed_rest, line + 1}
       [] -> {true, [], line}
       _ -> {false, rest, line}
     end
   end
 
-  defp trim_whitespace([h|t]) when h == ?\s or h == ?\t do
+  defp trim_whitespace([h | t]) when h == ?\s or h == ?\t do
     trim_whitespace(t)
   end
 

lib/elixir/lib/access.ex

@@ -117,7 +117,7 @@ defmodule Access do
       stacktrace = System.stacktrace
       e =
         case stacktrace do
-          [unquote(top)|_] ->
+          [unquote(top) | _] ->
             %{unquote(e) | reason: "#{inspect unquote(struct)} does not implement the Access behaviour"}
           _ ->
             unquote(e)

lib/elixir/lib/application.ex

@@ -381,7 +381,7 @@ defmodule Application do
     Path.join(app_dir(app), path)
   end
   def app_dir(app, path) when is_list(path) do
-    Path.join([app_dir(app)|path])
+    Path.join([app_dir(app) | path])
   end
 
   @doc """

lib/elixir/lib/code.ex

@@ -594,7 +594,7 @@ defmodule Code do
   ## Examples
 
       # Get the documentation for the first function listed
-      iex> [fun|_] = Code.get_docs(Atom, :docs) |> Enum.sort()
+      iex> [fun | _] = Code.get_docs(Atom, :docs) |> Enum.sort()
       iex> {{_function, _arity}, _line, _kind, _signature, text} = fun
       iex> String.split(text, "\n") |> Enum.at(0)
       "Converts an atom to a char list."

lib/elixir/lib/collectable.ex

@@ -49,7 +49,7 @@ end
 defimpl Collectable, for: List do
   def into(original) do
     {[], fn
-      list, {:cont, x} -> [x|list]
+      list, {:cont, x} -> [x | list]
       list, :done -> original ++ :lists.reverse(list)
       _, :halt -> :ok
     end}
@@ -59,7 +59,7 @@ end
 defimpl Collectable, for: BitString do
   def into(original) do
     {original, fn
-      acc, {:cont, x} when is_bitstring(x) -> [acc|x]
+      acc, {:cont, x} when is_bitstring(x) -> [acc | x]
       acc, :done -> IO.iodata_to_binary(acc)
       _, :halt -> :ok
     end}

lib/elixir/lib/dict.ex

@@ -82,19 +82,19 @@ defmodule Dict do
 
       def to_list(dict) do
         reduce(dict, {:cont, []}, fn
-          kv, acc -> {:cont, [kv|acc]}
+          kv, acc -> {:cont, [kv | acc]}
         end) |> elem(1) |> :lists.reverse
       end
 
       def keys(dict) do
         reduce(dict, {:cont, []}, fn
-          {k, _}, acc -> {:cont, [k|acc]}
+          {k, _}, acc -> {:cont, [k | acc]}
         end) |> elem(1) |> :lists.reverse
       end
 
       def values(dict) do
         reduce(dict, {:cont, []}, fn
-          {_, v}, acc -> {:cont, [v|acc]}
+          {_, v}, acc -> {:cont, [v | acc]}
         end) |> elem(1) |> :lists.reverse
       end