package common

import (
  "bufio"
)

type Tree int

type Forest [][]Tree


func Parse(scanner bufio.Scanner) Forest {
  forest := Forest{}

  for scanner.Scan() {
    line := scanner.Text()
    forestRow := make([]Tree, len(line))
    for i, character := range line {
      forestRow[i] = Tree(character - '0')
    }
    forest = append(forest, forestRow)
  }

  return forest
}