Update syntax

core/lib/rom/attribute.rb

@@ -83,9 +83,7 @@ def [](value = Undefined)
     # @return [TrueClass,FalseClass]
     #
     # @api public
-    def primary_key?
-      meta[:primary_key].equal?(true)
-    end
+    def primary_key? = meta[:primary_key].equal?(true)
 
     # Return true if this attribute type is a foreign key
     #
@@ -106,9 +104,7 @@ def primary_key?
     # @return [TrueClass,FalseClass]
     #
     # @api public
-    def foreign_key?
-      meta[:foreign_key].equal?(true)
-    end
+    def foreign_key? = meta[:foreign_key].equal?(true)
 
     # Return true if this attribute has a configured alias
     #
@@ -129,9 +125,7 @@ def foreign_key?
     # @return [TrueClass,FalseClass]
     #
     # @api public
-    def aliased?
-      !self.alias.nil?
-    end
+    def aliased? = !self.alias.nil?
 
     # Return source relation of this attribute type
     #
@@ -152,9 +146,7 @@ def aliased?
     # @return [Symbol, Relation::Name]
     #
     # @api public
-    def source
-      meta[:source]
-    end
+    def source = meta[:source]
 
     # Return target relation of this attribute type
     #
@@ -175,9 +167,7 @@ def source
     # @return [NilClass, Symbol, Relation::Name]
     #
     # @api public
-    def target
-      meta[:target]
-    end
+    def target = meta[:target]
 
     # Return tuple key
     #
@@ -200,9 +190,7 @@ def target
     # @return [Symbol]
     #
     # @api public
-    def key
-      self.alias || name
-    end
+    def key = self.alias || name
 
     # Return new attribute type with provided alias
     #
@@ -230,9 +218,7 @@ def key
     # @return [Attribute]
     #
     # @api public
-    def aliased(name)
-      with(alias: name)
-    end
+    def aliased(name) = with(alias: name)
     alias_method :as, :aliased
 
     # Return new attribute type with an alias using provided prefix
@@ -277,9 +263,7 @@ def prefixed(prefix = source.dataset)
     # correctly in places like auto-mapping.
     #
     # @api public
-    def wrapped?
-      meta[:wrapped].equal?(true)
-    end
+    def wrapped? = meta[:wrapped].equal?(true)
 
     # Return attribute type wrapped for the specified relation name
     #
@@ -338,27 +322,21 @@ def eql?(other)
     # @return [TrueClass, FalseClass]
     #
     # @api private
-    def read?
-      !meta[:read].nil?
-    end
+    def read? = !meta[:read].nil?
 
     # Return read type
     #
     # @return [Dry::Types::Type]
     #
     # @api private
-    def to_read_type
-      read? ? meta[:read] : type
-    end
+    def to_read_type = read? ? meta[:read] : type
 
     # Return write type
     #
     # @return [Dry::Types::Type]
     #
     # @api private
-    def to_write_type
-      type
-    end
+    def to_write_type = type
 
     # Return nullable attribute
     #

core/lib/rom/cache.rb

@@ -24,24 +24,18 @@ def initialize(cache, namespace)
       end
 
       # @api private
-      def [](key)
-        cache[[namespace, key].hash]
-      end
+      def [](key) = cache[[namespace, key].hash]
 
       # @api private
       def fetch_or_store(*args, &)
         cache.fetch_or_store([namespace, args].hash, &)
       end
 
       # @api private
-      def size
-        cache.size
-      end
+      def size = cache.size
 
       # @api private
-      def inspect
-        %(#<#{self.class} size=#{size}>)
-      end
+      def inspect = %(#<#{self.class} size=#{size}>)
     end
 
     # @api private
@@ -50,19 +44,13 @@ def initialize
       @namespaced = {}
     end
 
-    def [](key)
-      cache[key]
-    end
+    def [](key) = objects[key]
 
     # @api private
-    def fetch_or_store(*args, &)
-      objects.fetch_or_store(args.hash, &)
-    end
+    def fetch_or_store(*args, &) = objects.fetch_or_store(args.hash, &)
 
     # @api private
-    def size
-      objects.size
-    end
+    def size = objects.size
 
     # @api private
     def namespaced(namespace)

core/lib/rom/command.rb

@@ -327,18 +327,14 @@ def curry(*args)
     # @return [Command::Graph]
     #
     # @api public
-    def combine(*others)
-      Graph.new(self, others)
-    end
+    def combine(*others) = Graph.new(self, others)
 
     # Check if this command is curried
     #
     # @return [TrueClass, FalseClass]
     #
     # @api public
-    def curried?
-      !curry_args.empty?
-    end
+    def curried? = !curry_args.empty?
 
     # Return a new command with appended before hooks
     #
@@ -367,18 +363,14 @@ def after(*hooks)
     # @return [Array]
     #
     # @api public
-    def before_hooks
-      options[:before]
-    end
+    def before_hooks = options[:before]
 
     # List of after hooks
     #
     # @return [Array]
     #
     # @api public
-    def after_hooks
-      options[:after]
-    end
+    def after_hooks = options[:after]
 
     # Return a new command with other source relation
     #
@@ -394,54 +386,42 @@ def new(new_relation)
     # Check if this command has any hooks
     #
     # @api private
-    def hooks?
-      !before_hooks.empty? || !after_hooks.empty?
-    end
+    def hooks? = !before_hooks.empty? || !after_hooks.empty?
 
     # Check if this command is lazy
     #
     # @return [false]
     #
     # @api private
-    def lazy?
-      false
-    end
+    def lazy? = false
 
     # Check if this command is a graph
     #
     # @return [false]
     #
     # @api private
-    def graph?
-      false
-    end
+    def graph? = false
 
     # Check if this command returns a single tuple
     #
     # @return [TrueClass,FalseClass]
     #
     # @api private
-    def one?
-      result.equal?(:one)
-    end
+    def one? = result.equal?(:one)
 
     # Check if this command returns many tuples
     #
     # @return [TrueClass,FalseClass]
     #
     # @api private
-    def many?
-      result.equal?(:many)
-    end
+    def many? = result.equal?(:many)
 
     # Check if this command is restrictible through relation
     #
     # @return [TrueClass,FalseClass]
     #
     # @api private
-    def restrictible?
-      self.class.restrictable.equal?(true)
-    end
+    def restrictible? = self.class.restrictable.equal?(true)
 
     # Yields tuples for insertion or return an enumerator
     #
@@ -463,9 +443,7 @@ def map_input_tuples(tuples, &mapper)
     # @return [Class]
     #
     # @api private
-    def composite_class
-      Command::Composite
-    end
+    def composite_class = Command::Composite
 
     # Apply provided hooks
     #

core/lib/rom/command_compiler.rb

@@ -172,9 +172,7 @@ def visit_relation(node, parent_relation = nil)
     # rubocop:enable Metrics/AbcSize, Metrics/MethodLength, Metrics/PerceivedComplexity
 
     # @api private
-    def visit_attribute(*_args)
-      nil
-    end
+    def visit_attribute(*_args) = nil
 
     # Build a command object for a specific relation
     #
@@ -228,9 +226,7 @@ def register_command(rel_name, type, rel_meta, parent_relation = nil)
     # @return [Symbol]
     #
     # @api private
-    def result
-      meta.fetch(:result, :one)
-    end
+    def result = meta.fetch(:result, :one)
 
     # Sets up `associates` plugin for a given command class and relation
     #

core/lib/rom/command_proxy.rb

@@ -19,18 +19,12 @@ def initialize(command, root = Inflector.singularize(command.name.relation).to_s
     end
 
     # @api private
-    def call(input)
-      command.call(root => input)
-    end
+    def call(input) = command.call(root => input)
 
     # @api private
-    def >>(other)
-      self.class.new(command >> other)
-    end
+    def >>(other) = self.class.new(command >> other)
 
     # @api private
-    def restrictible?
-      command.restrictible?
-    end
+    def restrictible? = command.restrictible?
   end
 end

core/lib/rom/command_registry.rb

@@ -34,9 +34,7 @@ class CommandRegistry < Registry
     option :compiler, optional: true
 
     # @api private
-    def self.element_not_found_error
-      CommandNotFoundError
-    end
+    def self.element_not_found_error = CommandNotFoundError
 
     # Return a command from the registry
     #
@@ -86,9 +84,7 @@ def [](*args)
     # @return [CommandRegistry]
     #
     # @api public
-    def map_with(mapper_name)
-      with(mapper: mappers[mapper_name])
-    end
+    def map_with(mapper_name) = with(mapper: mappers[mapper_name])
 
     # @api private
     def set_compiler(compiler) # rubocop:disable Naming/AccessorMethodName