Remove dependency on `package:charcode`.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c942aa..2bb3d55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 4.0.1
+
+* Remove dependency on `package:charcode`.
+
## 4.0.0
* Stable null safety stable release.
diff --git a/lib/src/chunked_coding/charcodes.dart b/lib/src/chunked_coding/charcodes.dart
new file mode 100644
index 0000000..a7a8519
--- /dev/null
+++ b/lib/src/chunked_coding/charcodes.dart
@@ -0,0 +1,21 @@
+// Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/// "Line feed" control character.
+const int $lf = 0x0a;
+
+/// "Carriage return" control character.
+const int $cr = 0x0d;
+
+/// Character `0`.
+const int $0 = 0x30;
+
+/// Character `9`.
+const int $9 = 0x39;
+
+/// Character `a`.
+const int $a = 0x61;
+
+/// Character `f`.
+const int $f = 0x66;
diff --git a/lib/src/chunked_coding/decoder.dart b/lib/src/chunked_coding/decoder.dart
index a916870..ac22c1b 100644
--- a/lib/src/chunked_coding/decoder.dart
+++ b/lib/src/chunked_coding/decoder.dart
@@ -7,9 +7,10 @@
import 'dart:math' as math;
import 'dart:typed_data';
-import 'package:charcode/ascii.dart';
import 'package:typed_data/typed_data.dart';
+import 'charcodes.dart';
+
/// The canonical instance of [ChunkedCodingDecoder].
const chunkedCodingDecoder = ChunkedCodingDecoder._();
diff --git a/lib/src/chunked_coding/encoder.dart b/lib/src/chunked_coding/encoder.dart
index 81e4dc8..deb4906 100644
--- a/lib/src/chunked_coding/encoder.dart
+++ b/lib/src/chunked_coding/encoder.dart
@@ -5,7 +5,7 @@
import 'dart:convert';
import 'dart:typed_data';
-import 'package:charcode/ascii.dart';
+import 'charcodes.dart';
/// The canonical instance of [ChunkedCodingEncoder].
const chunkedCodingEncoder = ChunkedCodingEncoder._();
diff --git a/pubspec.yaml b/pubspec.yaml
index b2939aa..2ca441b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
name: http_parser
-version: 4.0.0
+version: 4.0.1
description: >-
A platform-independent package for parsing and serializing HTTP formats.
homepage: https://github.com/dart-lang/http_parser
@@ -8,12 +8,12 @@
sdk: '>=2.12.0-0 <3.0.0'
dependencies:
- charcode: ^1.2.0
collection: ^1.15.0
source_span: ^1.8.0
string_scanner: ^1.1.0
typed_data: ^1.3.0
dev_dependencies:
+ charcode: ^1.2.0
pedantic: ^1.10.0
test: ^1.16.0-nullsafety.4
