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pull constants to a static readonly field

This commit is contained in:
Ben Harris 2023-11-25 13:32:33 -05:00
parent 6e183c1a31
commit 283ed27e8a
1 changed files with 6 additions and 5 deletions
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11
AOC2020/Day04.cs
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@ -8,19 +8,20 @@ namespace AOC2020;
public sealed partial class Day04() : Day(2020, 4, "Passport Processing")
{
private List<Dictionary<string, string>>? _passports;
private static readonly string[] RequiredFieldNames = { "byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid" };
private static readonly string[] EyeColors = { "amb", "blu", "brn", "gry", "grn", "hzl", "oth" };
public override void ProcessInput() =>
_passports = Input.Split("").Select(Parse).ToList();
[GeneratedRegex("#[0-9a-f]{6}")]
private static partial Regex HexColor();
private static Dictionary<string, string> Parse(IEnumerable<string> list) =>
string.Join(' ', list).Split(' ', StringSplitOptions.TrimEntries)
.ToDictionary(k => k.Split(':', 2)[0], v => v.Split(':', 2)[1]);
private static bool IsValid(Dictionary<string, string> d) =>
new[] { "byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid" }.All(d.ContainsKey);
private static bool IsValid(Dictionary<string, string> d) => RequiredFieldNames.All(d.ContainsKey);
private static bool ExtendedValidation(Dictionary<string, string> d)
{
@ -70,7 +71,7 @@ public sealed partial class Day04() : Day(2020, 4, "Passport Processing")
if (!HexColor().IsMatch(d["hcl"])) return false;
// eye color
if (!new[] { "amb", "blu", "brn", "gry", "grn", "hzl", "oth" }.Contains(d["ecl"]))
if (!EyeColors.Contains(d["ecl"]))
return false;
// passport id