Use anonymous variable for blocks where possible

lib/rom/sql/dsl.rb

@@ -28,13 +28,13 @@ def initialize(schema)
       end
 
       # @api private
-      def call(&block)
+      def call(&)
         arg, kwargs = select_relations(block.parameters)
 
         if kwargs.nil?
-          result = instance_exec(arg, &block)
+          result = instance_exec(arg, &)
         else
-          result = instance_exec(**kwargs, &block)
+          result = instance_exec(**kwargs, &)
         end
 
         if result.is_a?(::Array)

lib/rom/sql/function.rb

@@ -221,9 +221,9 @@ def case(mapping)
       # @return [SQL::Function]
       #
       # @api public
-      def filter(condition = Undefined, &block)
-        if block
-          conditions = schema.restriction(&block)
+      def filter(condition = Undefined, &)
+        if block_given?
+          conditions = schema.restriction(&)
           conditions &= condition unless condition.equal?(Undefined)
         else
           conditions = condition
@@ -246,9 +246,9 @@ def filter(condition = Undefined, &block)
       # @return [SQL::Function]
       #
       # @api public
-      def within_group(*args, &block)
-        if block
-          group = args + ::ROM::SQL::OrderDSL.new(schema).(&block)
+      def within_group(*args, &)
+        if block_given?
+          group = args + ::ROM::SQL::OrderDSL.new(schema).(&)
         else
           group = args
         end

lib/rom/sql/migration.rb

@@ -54,12 +54,12 @@ class << self
       #   @param [Symbol] gateway The gateway name, :default by default
       #
       # @api public
-      def migration(*args, &block)
+      def migration(*args, &)
         if args.any?
           container, gateway, * = args
-          with_gateway(container.gateways[gateway || :default]) { migration(&block) }
+          with_gateway(container.gateways[gateway || :default]) { migration(&) }
         else
-          current_gateway.migration(&block)
+          current_gateway.migration(&)
         end
       end
 

lib/rom/sql/migration/recorder.rb

@@ -7,10 +7,10 @@ module Migration
       class Recorder
         attr_reader :operations
 
-        def initialize(&block)
+        def initialize(&)
           @operations = []
 
-          instance_exec(&block) if block
+          instance_exec(&) if block_given?
         end
 
         private
@@ -19,8 +19,8 @@ def respond_to_missing?(_m, _include_private = false)
           true
         end
 
-        def method_missing(m, *args, &block)
-          nested = block ? Recorder.new(&block).operations : EMPTY_ARRAY
+        def method_missing(m, *args, &)
+          nested = block_given? ? Recorder.new(&).operations : EMPTY_ARRAY
           @operations << [m, args, nested]
         end
       end

lib/rom/sql/relation/reading.rb

@@ -361,9 +361,9 @@ def avg(*args)
         # @return [Relation]
         #
         # @api public
-        def where(*args, &block)
-          if block
-            where(*args).where(schema.canonical.restriction(&block))
+        def where(*args, &)
+          if block_given?
+            where(*args).where(schema.canonical.restriction(&))
           elsif args.size == 1 && args[0].is_a?(Hash)
             new(dataset.where(coerce_conditions(args[0])))
           elsif !args.empty?
@@ -420,9 +420,9 @@ def exclude(...)
         # @return [Relation]
         #
         # @api public
-        def having(*args, &block)
-          if block
-            new(dataset.having(*args, *schema.canonical.restriction(&block)))
+        def having(*args, &)
+          if block_given?
+            new(dataset.having(*args, *schema.canonical.restriction(&)))
           else
             new(dataset.__send__(__method__, *args))
           end
@@ -475,11 +475,11 @@ def invert
         # @return [Relation]
         #
         # @api public
-        def order(*args, &block)
-          if block
-            new(dataset.order(*args, *schema.canonical.order(&block)))
+        def order(*args, &)
+          if block_given?
+            new(dataset.order(*args, *schema.canonical.order(&)))
           else
-            new(dataset.__send__(__method__, *args, &block))
+            new(dataset.__send__(__method__, *args, &))
           end
         end
 
@@ -724,12 +724,12 @@ def right_join(...)
         # @return [Relation]
         #
         # @api public
-        def group(*args, &block)
-          if block
+        def group(*args, &)
+          if block_given?
             if args.size.positive?
-              group(*args).group_append(&block)
+              group(*args).group_append(&)
             else
-              new(dataset.__send__(__method__, *schema.canonical.group(&block)))
+              new(dataset.__send__(__method__, *schema.canonical.group(&)))
             end
           else
             new(dataset.__send__(__method__, *schema.canonical.project(*args)))
@@ -763,12 +763,12 @@ def group(*args, &block)
         # @return [Relation]
         #
         # @api public
-        def group_append(*args, &block)
-          if block
+        def group_append(*args, &)
+          if block_given?
             if args.size.positive?
-              group_append(*args).group_append(&block)
+              group_append(*args).group_append(&)
             else
-              new(dataset.group_append(*schema.canonical.group(&block)))
+              new(dataset.group_append(*schema.canonical.group(&)))
             end
           else
             new(dataset.group_append(*args))
@@ -910,12 +910,12 @@ def read(sql)
         #   @yieldparam relation [Array]
         #
         # @api public
-        def lock(**options, &block)
+        def lock(**options, &)
           clause = lock_clause(**options)
 
-          if block
+          if block_given?
             transaction do
-              block.call(dataset.lock_style(clause).to_a)
+              yield(dataset.lock_style(clause).to_a)
             end
           else
             new(dataset.lock_style(clause))
@@ -1094,21 +1094,21 @@ def coerce_conditions(conditions)
         # @api private
         #
         # rubocop:disable Metrics/AbcSize, Metrics/PerceivedComplexity, Metrics/MethodLength, Metrics/CyclomaticComplexity
-        def __join__(type, other, join_cond = EMPTY_HASH, opts = EMPTY_HASH, &block)
+        def __join__(type, other, join_cond = EMPTY_HASH, opts = EMPTY_HASH, &)
           if other.is_a?(Symbol) || other.is_a?(ROM::Relation::Name)
-            if join_cond.equal?(EMPTY_HASH) && !block
+            if join_cond.equal?(EMPTY_HASH) && !block_given?
               assoc = associations[other]
               assoc.join(type, self)
-            elsif block
-              __join__(type, other, JoinDSL.new(schema).(&block), opts)
+            elsif block_given?
+              __join__(type, other, JoinDSL.new(schema).(&), opts)
             else
-              new(dataset.__send__(type, other.to_sym, join_cond, opts, &block))
+              new(dataset.__send__(type, other.to_sym, join_cond, opts, &))
             end
-          elsif other.is_a?(Sequel::SQL::AliasedExpression)
-            new(dataset.__send__(type, other, join_cond, opts, &block))
+          elsif other.is_a?(::Sequel::SQL::AliasedExpression)
+            new(dataset.__send__(type, other, join_cond, opts, &))
           elsif other.respond_to?(:name) && other.name.is_a?(Relation::Name)
             if block
-              join_cond = JoinDSL.new(schema).(&block)
+              join_cond = JoinDSL.new(schema).(&)
 
               if other.name.aliaz
                 join_opts = { table_alias: other.name.aliaz }

lib/rom/sql/schema.rb

@@ -87,9 +87,9 @@ def qualified_projection(table_alias = nil)
       # @return [Schema] A new schema with projected attributes
       #
       # @api public
-      def project(*names, &block)
-        if block
-          super(*(names + ProjectionDSL.new(self).(&block)))
+      def project(*names, &)
+        if block_given?
+          super(*(names + ProjectionDSL.new(self).(&)))
         else
           super
         end

spec/spec_helper.rb

@@ -117,12 +117,12 @@ module Types
   include Dry.Types(default: :strict)
 end
 
-def with_adapters(*args, &block)
+def with_adapters(*args, &)
   reset_adapter = Hash[*ADAPTERS.flat_map { |a| [a, false] }]
   adapters = args.empty? || args[0] == :all ? ADAPTERS : (args & ADAPTERS)
 
   adapters.each do |adapter|
-    context("with #{adapter}", **reset_adapter, adapter => true, &block)
+    context("with #{adapter}", **reset_adapter, adapter => true, &)
   end
 end
 

spec/unit/relation/instrument_spec.rb

@@ -15,9 +15,9 @@ def initialize
         @logs = []
       end
 
-      def instrument(*args, &block)
+      def instrument(*args, &)
         logs << args
-        block.call
+        yield
       end
     end.new
   end