modern_lol.diff

diff --git a/README.md b/README.md
index 91cd751..702557a 100644
--- a/README.md
+++ b/README.md
@@ -66,16 +66,16 @@ app->start;
   applications.
 
 ```perl
+use 5.20.0;
+use experimental 'signatures';
 use Mojolicious::Lite;
 
 # Render template "index.html.ep" from the DATA section
 get '/' => {template => 'index'};
 
 # WebSocket service used by the template to extract the title from a web site
-websocket '/title' => sub {
-  my $c = shift;
-  $c->on(message => sub {
-    my ($c, $msg) = @_;
+websocket '/title' => sub ($c) {
+  $c->on(message => sub ($c, $msg) {
     my $title = $c->ua->get($msg)->res->dom->at('title')->text;
     $c->send($title);
   });
diff --git a/lib/Mojolicious.pm b/lib/Mojolicious.pm
index 0df66ac..dbb7824 100644
--- a/lib/Mojolicious.pm
+++ b/lib/Mojolicious.pm
@@ -218,21 +218,23 @@ Mojolicious - Real-time web framework
 
   # Application
   package MyApp;
+  use 5.20.0;
+  use experimental 'signatures';
   use Mojo::Base 'Mojolicious';
 
   # Route
-  sub startup {
-    my $self = shift;
+  sub startup ($self) {
     $self->routes->get('/hello')->to('foo#hello');
   }
 
   # Controller
   package MyApp::Controller::Foo;
+  use 5.20.0;
+  use experimental 'signatures';
   use Mojo::Base 'Mojolicious::Controller';
 
   # Action
-  sub hello {
-    my $self = shift;
+  sub hello ($self) {
     $self->render(text => 'Hello World!');
   }
 
@@ -249,8 +251,9 @@ L<Mojolicious> will emit the following hooks in the listed o
 Emitted right after the transaction is built and before the HTTP request gets
 parsed.
 
-  $app->hook(after_build_tx => sub {
-    my ($tx, $app) = @_;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(after_build_tx => sub ($tx, $app) {
     ...
   });
 
@@ -263,8 +266,9 @@ application object)
 
 Emitted right before the static file server and router start their work.
 
-  $app->hook(before_dispatch => sub {
-    my $c = shift;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(before_dispatch => sub ($c) {
     ...
   });
 
@@ -276,8 +280,9 @@ Very useful for rewriting incoming requests and other prepro
 Emitted after a static file response has been generated by the static file
 server.
 
-  $app->hook(after_static => sub {
-    my $c = shift;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(after_static => sub ($c) {
     ...
   });
 
@@ -289,8 +294,9 @@ controller object)
 Emitted after the static file server determined if a static file should be
 served and before the router starts its work.
 
-  $app->hook(before_routes => sub {
-    my $c = shift;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(before_routes => sub ($c) {
     ...
   });
 
@@ -304,8 +310,9 @@ to manually forward to the next hook if you want to continue
 Default action dispatching is the last hook in the chain, yours will run
 before it.
 
-  $app->hook(around_action => sub {
-    my ($next, $c, $action, $last) = @_;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(around_action => sub ($next, $c, $action, $last) {
     ...
     return $next->();
   });
@@ -322,8 +329,9 @@ Emitted before content is generated by the renderer. Note th
 trigger out of order due to its dynamic nature, and with embedded applications
 will only work for the application that is rendering.
 
-  $app->hook(before_render => sub {
-    my ($c, $args) = @_;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(before_render => sub ($c, $args) {
     ...
   });
 
@@ -337,8 +345,9 @@ to the response. Note that this hook can trigger out of orde
 dynamic nature, and with embedded applications will only work for the
 application that is rendering.
 
-  $app->hook(after_render => sub {
-    my ($c, $output, $format) = @_;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(after_render => sub ($c, $output, $format) {
     ...
   });
 
@@ -351,8 +360,9 @@ Emitted in reverse order after a response has been rendered.
 hook can trigger out of order due to its dynamic nature, and with embedded
 applications will only work for the application that is rendering.
 
-  $app->hook(after_dispatch => sub {
-    my $c = shift;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(after_dispatch => sub ($c) {
     ...
   });
 
@@ -368,8 +378,9 @@ L<Mojolicious::Plugin::DefaultHelpers/"reply-E<gt>exception"
 hook in the chain and a call to L</"dispatch"> the last, yours will be in
 between.
 
-  $app->hook(around_dispatch => sub {
-    my ($next, $c) = @_;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(around_dispatch => sub ($next, $c) {
     ...
     $next->();
     ...
@@ -610,8 +621,9 @@ Extend L<Mojolicious> with hooks, which allow code to be sha
 requests indiscriminately, for a full list of available hooks see L</"HOOKS">.
 
   # Dispatchers will not run if there's already a response code defined
-  $app->hook(before_dispatch => sub {
-    my $c = shift;
+  use 5.20.0;
+  use experimental 'signatures';
+  $app->hook(before_dispatch => sub ($c) {
     $c->render(text => 'Skipped static file server and router!')
       if $c->req->url->path->to_route =~ /do_not_dispatch/;
   });
@@ -659,8 +671,9 @@ commands available by default see L<Mojolicious::Commands/"C
 This is your main hook into the application, it will be called at application
 startup. Meant to be overloaded in a subclass.
 
-  sub startup {
-    my $self = shift;
+  use 5.20.0;
+  use experimental 'signatures';
+  sub startup ($self) {
     ...
   }