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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# 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 < Base
extend AutoCorrector
MSG = 'Use `proc` instead of `Proc.new`.'
# @!method proc_new?(node)
def_node_matcher :proc_new?,
'({block numblock} $(send (const {nil? cbase} :Proc) :new) ...)'
def on_block(node)
proc_new?(node) do |block_method|
add_offense(block_method) do |corrector|
corrector.replace(block_method, 'proc')
end
end
end
alias on_numblock on_block
end
end
end
end
Version data entries
181 entries across 176 versions & 18 rubygems