function stdopts (opts) {
  opts = opts || {}
  opts.keys = opts.keys !== false // default keys to true
  opts.values = opts.values !== false // default values to true
  return opts
}
function stdopts (opts) {
  opts = opts || {}
  opts.keys = opts.keys !== false 
  opts.values = opts.values !== false 
  return opts
}
function stdopts ( opts ) { opts = opts || { } opts . keys = opts . keys !== false // default keys to true opts . values = opts . values !== false // default values to true return opts }
opts standardized to work like levelup api
opts standardized to work like levelup api