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# frozen_string_literal: true
module RuboCop
module AST
# A node extension for `args` nodes. This will be used in place of a plain
# node when the builder constructs the AST, making its methods available
# to all `args` nodes within RuboCop.
class ArgsNode < Node
include CollectionNode
# It returns true if arguments are empty and delimiters do not exist.
# @example:
# # true
# def x; end
# x { }
# -> {}
#
# # false
# def x(); end
# def x a; end
# x { || }
# -> () {}
# -> a {}
def empty_and_without_delimiters?
loc.expression.nil?
end
end
end
end
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