class Binance::Utils::Validation

def array_or_hash?(param_value)
  param_value.is_a?(Array) || param_value.is_a?(Hash)
end

def invalid?(param_value)
  param_value.nil? ||
    (array_or_hash?(param_value) && param_value.empty?) ||
    (param_value.respond_to?(:to_str) && param_value.empty?)
end

def require_param(param_name, param_value)
  raise Binance::RequiredParameterError.new(param_name, param_value) if invalid?(param_value)
end