style: stricter linting rules

Closes #33

Author: rafamizes

example/crypto/hash/hmac_sha256_benchmark.dart

@@ -16,7 +16,7 @@ import '../../utils/perf_gain.dart';
 /// ```dart compile jit-snapshot example/crypto/hash/hmac_sha256_benchmark.dart```
 /// ```dart /example/crypto/hash/hmac_sha256_benchemark.jit```
 void main() {
-  print("Dartoos HMAC-SHA256 vs. Cryptos HMAC-SHA256...");
+  print('Dartoos HMAC-SHA256 vs. Cryptos HMAC-SHA256...');
   const len = 25000000;
   const alphabet =
       'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

example/crypto/hash/sha256_benchmark.dart

@@ -16,7 +16,7 @@ import '../../utils/perf_gain.dart';
 /// ```dart compile jit-snapshot example/crypto/hash/sha256_benchmark.dart```
 /// ```dart /example/crypto/hash/sha256_benchemark.jit```
 void main() {
-  print("Dartoos sha256 vs. Cryptos sha256...");
+  print('Dartoos sha256 vs. Cryptos sha256...');
 
   const len = 25000000;
   const alphabet =
@@ -42,5 +42,6 @@ void main() {
   print('Dartoos digest value......: $dartoosDigest');
   const perf = PerfGain();
   print('Performance ratio.........: ${perf(cryptoHashTime, dartoosHashTime)}');
-  print('Are the generated digests the same? ${dartoosDigest == cryptoDigest}');
+  final sameText = dartoosDigest == cryptoDigest;
+  print('Are the generated digests the same? $sameText');
 }

example/crypto/hash/sha512_benchmark.dart

@@ -16,7 +16,7 @@ import '../../utils/perf_gain.dart';
 /// ```dart compile jit-snapshot example/crypto/hash/sha512_benchmark.dart```
 /// ```dart /example/crypto/hash/sha512_benchemark.jit```
 void main() {
-  print("Dartoos sha512 vs. Crypto sha512...");
+  print('Dartoos sha512 vs. Crypto sha512...');
 
   const len = 25000000;
   const alphabet =
@@ -41,5 +41,6 @@ void main() {
   print('Dartoos digest value......: $dartoosDigest');
   const perf = PerfGain();
   print('Performance ratio.........: ${perf(cryptoHashTime, dartoosHashTime)}');
-  print('Are the generated digests the same? ${dartoosDigest == cryptoDigest}');
+  final sameText = dartoosDigest == cryptoDigest;
+  print('Are the generated digests the same? $sameText');
 }

example/pubspec.yaml

@@ -13,4 +13,4 @@ dependencies:
   dartoos:
     path: ../
 
-  lint: ^1.7.2
+  lint: ^1.8.1

example/radix/bin_benchmark.dart

@@ -52,7 +52,8 @@ void main() {
   print(
     'Performance.........: $perf (Dart elapsed time / Dartoos elapsed time)',
   );
-  print("Are the generated texts the same? ${dartBinText == dartoosBinText}");
+  final sameText = dartBinText == dartoosBinText;
+  print('Are the generated texts the same? $sameText');
 }
 
 /// Convert an integer to its binary text representation.

example/radix/bin_bytes_benchmark.dart

@@ -2,7 +2,7 @@
 
 import 'dart:typed_data';
 
-import 'package:dartoos/src/radix/bin_bytes.dart';
+import 'package:dartoos/radix.dart';
 
 import '../utils/perf_gain.dart';
 
@@ -63,8 +63,6 @@ void main() {
 ///
 /// **Note**: even when padding is disabled, Dartoos' performance is better.
 String bytesAsBinText(List<int> bytes) {
-  // return bytes.map((int byte) => byte.toRadixString(2).padLeft(8, '0')).join();
-
   // using StringBuffer runs faster than mapping and joining the list of bytes.
   final buffer = StringBuffer();
   for (var i = 0; i < bytes.length; ++i) {

example/radix/hex_benchmark.dart

@@ -52,12 +52,9 @@ void main() {
   print(
     'Performance ratio...: $perf (Dart elapsed time / Dartoos elapsed time)',
   );
-  print(
-    "Are the generated hex texts the same? ${dartHexText == dartoosHexText}",
-  );
+  final sameText = dartHexText == dartoosHexText;
+  print('Are the generated hex texts the same? $sameText');
 }
 
 /// Convert an integer to its hexadecimal text representation.
-String toHexText(int word) {
-  return word.toRadixString(16).padLeft(2, '0');
-}
+String toHexText(int word) => word.toRadixString(16).padLeft(2, '0');

example/radix/hex_bytes_benchmark.dart

@@ -50,18 +50,13 @@ void main() {
   print('Dartoos elapsed time: $elapsedDartoos milliseconds');
 
   final perf = const PerfGain().value(elapsedDart, elapsedDartoos);
-  print(
-    'Performance ratio...: $perf (Dart elapsed time / Dartoos elapsed time)',
-  );
-  print(
-    'Are the generated hex texts the same? ${dartHexText == dartoosHexText}',
-  );
+  print('Performance ratio...: $perf (Dart elapsed time / Dartoos time)');
+  final sameText = dartHexText == dartoosHexText;
+  print('Are the generated hex texts the same? $sameText');
 }
 
 /// Typical Dart implementation.
 String bytesAsHexText(Uint8List bytes) {
-  // return bytes.map((int byte) => byte.toRadixString(16).padLeft(2, '0')).join();
-
   final buffer = StringBuffer();
   for (var i = 0; i < bytes.length; ++i) {
     buffer.write(bytes[i].toRadixString(16).padLeft(2, '0'));

example/radix/oct_benchmark.dart

@@ -2,8 +2,7 @@
 
 import 'dart:typed_data';
 
-import 'package:dartoos/src/radix/oct.dart';
-
+import 'package:dartoos/radix.dart';
 import '../utils/perf_gain.dart';
 
 /// Dartoos octal text vs. Dart's built-in conversion.
@@ -52,9 +51,8 @@ void main() {
   print(
     'Performance ratio...: $perf (Dart elapsed time / Dartoos elapsed time)',
   );
-  print(
-    "Are the generated octal texts the same? ${dartOctText == dartoosOctText}",
-  );
+  final sameText = dartOctText == dartoosOctText;
+  print('Are the generated octal texts the same? $sameText');
 }
 
 /// Convert an integer to its octary text representation.

example/radix/oct_bytes_benchmark.dart

@@ -28,7 +28,7 @@ import '../utils/perf_gain.dart';
 ///
 /// Usually, the items 2 and 3 perform better.
 void main() {
-  print("Dartoos octal text vs. Dart sdk");
+  print('Dartoos octal text vs. Dart sdk');
 
   const len = 5000000;
   final bytes = Uint8List.fromList(List<int>.generate(len, (int i) => i % 256));
@@ -58,7 +58,6 @@ void main() {
 
 /// Typical Dart implementation.
 String bytesAsOctalText(Uint8List bytes) {
-  // return bytes.map((int byte) => byte.toRadixString(8).padLeft(3, '0')).join();
   final buffer = StringBuffer();
   for (var i = 0; i < bytes.length; ++i) {
     buffer.write(bytes[i].toRadixString(8).padLeft(3, '0'));