AdventOfCode23/Day21/Tile.cs

namespace Day21;

public class Tile
{
    private readonly char _type;
    
    public bool IsStart { get; }
    public Vec Position { get; set; }

    public bool IsWalkable => _type != '#';

    public Tile(char type)
    {
        if (type == 'S')
        {
            _type = '.';
            IsStart = true;
        }
        else
        {
            _type = type;
        }
    }

    public override string ToString()
    {
        return _type.ToString();
    }
}