Warn if a similar hash key exists to the one requested

hash_with_similar_access_warning.rb

class Hash
  def [](key)
    result = fetch(key, nil) and
      return result
    
    keys.map(&:to_s).include?(key.to_s) or
      return result

    if [String, Symbol].include?(key.class)
      send("similar_#{key.class.to_s.downcase}_key_warning", key)
    end

    result
  end

  private

  def similar_string_key_warning(key)
    warn "WARNING: No key \"#{key}\" (String) found in Hash #{self}."
    warn "Did you mean :#{key} (Symbol)?"
  end

  def similar_symbol_key_warning(key)
    warn "WARNING: No key :#{key} (Symbol) found in Hash #{self}."
    warn "Did you mean \"#{key}\" (String)?"
  end
end