This cop looks for uses of Perl-style global variables.
Anything not in this set is provided by the English library.
# File lib/rubocop/cop/style/special_global_vars.rb, line 72 def autocorrect(node) @corrections << lambda do |corrector| global_var, = *node corrector.replace(node.loc.expression, PREFERRED_VARS[global_var].first) end end
# File lib/rubocop/cop/style/special_global_vars.rb, line 50 def message(node) global_var, = *node regular, english = PREFERRED_VARS[global_var].partition do |var| NON_ENGLISH_VARS.include? var end # For now, we assume that lists are 2 items or less. Easy grammar! regular_msg = regular.join('` or `') english_msg = english.join('` or `') if regular.length > 0 && english.length > 0 format(MSG_BOTH, english_msg, regular_msg, global_var) elsif regular.length > 0 format(MSG_REGULAR, regular_msg, global_var) elsif english.length > 0 format(MSG_ENGLISH, english_msg, global_var) else fail 'Bug in SpecialGlobalVars - global var w/o preferred vars!' end end
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