GH-21 - Add support for class keyword

lib/App/perlminlint/Plugin/LintPM.pm

@@ -37,7 +37,7 @@ sub find_module {
   local $_ = $plugin->app->read_file($fn, '');
 
   while (/(?:^|\n) [\ \t]*     (?# line beginning + space)
-	  package  [\n\ \t]+   (?# newline is allowed here)
+	  (?:package|class)  [\n\ \t]+   (?# newline is allowed here)
 	  ([\w:]+)             (?# module name)
 	  \s* [;\{]            (?# statement or block)
 	 /xsg) {

t/in/8.d/lib/Foo.pm

@@ -0,0 +1,8 @@
+use v5.38;
+use experimental 'class';
+class
+  Foo;
+
+use Foo::Bar;
+
+1;

t/in/8.d/lib/Foo/Bar.pm

@@ -0,0 +1,5 @@
+use v5.38;
+use experimental 'class';
+class
+  Foo::Bar;
+1;

t/lint.t

@@ -132,6 +132,21 @@ my $inputdir = $bindir . "in";
   is_deeply [$out, $?], ["Module Foo is OK\n", 0], $fn;
 }
 
+{
+  my $test = "$inputdir/8";
+  my $fn   = "$test.d/lib/Foo.pm";
+  my $want = "$fn syntax OK\n";
+  my $out  = qx($^X $script $fn 2>&1);
+  is_deeply [$out, $?], ["Module Foo is OK\n", 0], $fn;
+}
+
+{
+  my $test = "$inputdir/8";
+  my $fn   = "$test.d/lib/Foo/Bar.pm";
+  my $want = "$fn syntax OK\n";
+  my $out  = qx($^X $script $fn 2>&1);
+  is_deeply [$out, $?], ["Module Foo::Bar is OK\n", 0], $fn;
+}
 
 done_testing();