Private member naming (ARCH6009)

Key ruby.naming.private-method-naming · Severity info · Category naming

Private (non-public) members should follow the language’s privacy-signalling convention. In Ruby, private methods should be grouped under private and named in snake_case, not interleaved with the public API.

Incorrect

class Report
  def generate
    formatRows
  end

  def formatRows
    @rows.map(&:to_s)
  end
end

Correct

class Report
  def generate
    format_rows
  end

  private

  def format_rows
    @rows.map(&:to_s)
  end
end

Fix

Group private methods under private and name them in snake_case.