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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for uses of Proc.new where Kernel#proc
# would be more appropriate.
#
# @example
# # bad
# p = Proc.new { |n| puts n }
#
# # good
# p = proc { |n| puts n }
#
class Proc < Cop
MSG = 'Use `proc` instead of `Proc.new`.'.freeze
def_node_matcher :proc_new?,
'(block $(send (const nil? :Proc) :new) ...)'
def on_block(node)
proc_new?(node) do |block_method|
add_offense(block_method)
end
end
def autocorrect(node)
->(corrector) { corrector.replace(node.source_range, 'proc') }
end
end
end
end
end
Version data entries
6,775 entries across 6,769 versions & 24 rubygems