Fix strict_unused_block warnings when running specs on Ruby 3.4

Run the specs with -W:strict_unused_block on Ruby 3.4 to more
easily catch future issues.

CHANGELOG

@@ -1,3 +1,7 @@
+=== master
+
+* Fix strict_unused_block warnings when running specs on Ruby 3.4 (jeremyevans)
+
 = 3.87.0 (2024-12-17)
 
 * Add host_routing plugin for routing based on request host header (jeremyevans)

Rakefile

@@ -61,7 +61,7 @@ end
 
 spec = proc do |env|
   env.each{|k,v| ENV[k] = v}
-  sh "#{FileUtils::RUBY} #{"-w" if RUBY_VERSION >= '3'} spec/all.rb"
+  sh "#{FileUtils::RUBY} #{"-w" if RUBY_VERSION >= '3'} #{'-W:strict_unused_block' if RUBY_VERSION >= '3.4'} spec/all.rb"
   env.each{|k,v| ENV.delete(k)}
   if File.directory?('.sass-cache')
     require 'fileutils'

lib/roda/plugins/head.rb

@@ -45,7 +45,7 @@ def initialize(body)
         end
 
         # yield nothing
-        def each
+        def each(&_)
         end
 
         # this should be called by the Rack server

spec/plugin/not_found_spec.rb

@@ -102,7 +102,7 @@
       end
 
       o = Object.new
-      def o.each; end
+      def o.each(&_); end
       route do |r|
         r.halt [404, {}, o]
       end

spec/plugin/status_handler_spec.rb

@@ -135,7 +135,7 @@
       end
 
       o = Object.new
-      def o.each; end
+      def o.each(&_); end
       route do |r|
         r.halt [404, {}, o]
       end