class RuboCop::Cop::Lint::CircularArgumentReference
Checks for circular argument references in optional keyword arguments and optional ordinal arguments.
NOTE: This syntax was made invalid on Ruby 2.7 - Ruby 3.3 but is allowed again since Ruby 3.4.
@example
# bad def bake(pie: pie) pie.heat_up end # good def bake(pie:) pie.refrigerate end # good def bake(pie: self.pie) pie.feed_to(user) end # bad def cook(dry_ingredients = dry_ingredients) dry_ingredients.reduce(&:+) end # good def cook(dry_ingredients = self.dry_ingredients) dry_ingredients.combine end
Constants
- MSG
Public Instance Methods
Source
# File lib/rubocop/cop/lint/circular_argument_reference.rb, line 43 def on_kwoptarg(node) check_for_circular_argument_references(*node) end
Source
# File lib/rubocop/cop/lint/circular_argument_reference.rb, line 47 def on_optarg(node) check_for_circular_argument_references(*node) end
Private Instance Methods
Source
# File lib/rubocop/cop/lint/circular_argument_reference.rb, line 53 def check_for_circular_argument_references(arg_name, arg_value) return unless arg_value.lvar_type? return unless arg_value.to_a == [arg_name] add_offense(arg_value, message: format(MSG, arg_name: arg_name)) end