class Rubocop::Cop::Lint::UnusedLocalVariable
This cop looks for unused local variables in each scope. Actually this is a mimic of the warning “assigned but unused variable - foo” from ‘ruby -cw`.
Constants
- MSG
- TYPES_TO_ACCEPT_UNUSED
Public Instance Methods
after_leaving_scope(scope)
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# File lib/rubocop/cop/lint/unused_local_variable.rb, line 20 def after_leaving_scope(scope) scope.variable_entries.each_value do |entry| next if entry.used? next if TYPES_TO_ACCEPT_UNUSED.include?(entry.node.type) next if entry.name.to_s.start_with?('_') message = sprintf(MSG, entry.name) add_offence(:warning, entry.node.loc.expression, message) end end
inspect(source_buffer, source, tokens, ast, comments)
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# File lib/rubocop/cop/lint/unused_local_variable.rb, line 16 def inspect(source_buffer, source, tokens, ast, comments) inspect_variables(ast) end