Sha256: ec51b3845a651e0c471a12e4d8d2ecf6f89dc7767b2e6fd868bd5f62e5ffe16c
Contents?: true
Size: 912 Bytes
Versions: 4
Compression:
Stored size: 912 Bytes
Contents
# encoding: utf-8 module Rubocop module Cop module Style # This cop checks for uses of double negation (!!) to convert something # to a boolean value. As this is both cryptic and usually redundant it # should be avoided. # # @example # # # bad # !!something # # # good # !something.nil? class DoubleNegation < Cop MSG = 'Avoid the use of double negation (`!!`).' def on_send(node) return unless not_node?(node) receiver, _method_name, *_args = *node add_offense(node, :selector) if not_node?(receiver) end private def not_node?(node) _receiver, method_name, *args = *node # ! does not take any arguments args.empty? && method_name == :! && node.loc.selector.is?('!') end end end end end
Version data entries
4 entries across 4 versions & 1 rubygems