file "source.ml"
  point             sequence at offset     17:      0
  point             sequence at offset     42:      0
  point                  for at offset     64:      0
  point             sequence at offset    118:      1
  point             sequence at offset    144:      1
  point                  for at offset    166:      3
  point       match/function at offset    253:      0
  point       match/function at offset    278:      1
  point       match/function at offset    297:      0
