code: func (c *Container) runs() []interval16 {
  	if roaringParanoia {
  		if c.typ != containerRun {
  			panic("attempt to read non-run's runs")
  		}
  	}
  	return *(*[]interval16)(unsafe.Pointer(&reflect.SliceHeader{Data: uintptr(unsafe.Pointer(c.pointer)), Len: int(c.len), Cap: int(c.cap)}))
  }
docs: // runs yields the data viewed as a slice of intervals.