Escape form feed control character in string.inspect on Erlang

gleam-lang · May 13, 2024 · ef4731e · ef4731e
1 parent 61a990b
commit ef4731e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 - The `list` module gains the `wrap` function.
 - The `iterator` module gains the `find_map` function.
+- Fixed `string.inspect` not formatting the `\f` form feed control character
+ correctly on Erlang.
 
 ## v0.37.0 - 2024-04-19
 

diff --git a/src/gleam_stdlib.erl b/src/gleam_stdlib.erl
@@ -497,6 +497,7 @@ inspect_maybe_utf8_string(Binary, Acc) ->
  $\r -> <<$\\, $r>>;
  $\n -> <<$\\, $n>>;
  $\t -> <<$\\, $t>>;
+ $\f -> <<$\\, $f>>;
  Other -> <<Other/utf8>>
  end,
  inspect_maybe_utf8_string(Rest, <<Acc/binary, Escaped/binary>>);

diff --git a/test/gleam/string_test.gleam b/test/gleam/string_test.gleam
@@ -685,6 +685,9 @@ pub fn inspect_test() {
  string.inspect("\t")
  |> should.equal("\"\\t\"")
 
+ string.inspect("\f")
+ |> should.equal("\"\\f\"")
+
  string.inspect("\r\r")
  |> should.equal("\"\\r\\r\"")