Pascal Welsch

@pascalwelsch.com

626 Followers 247 Following

Flutter Expert 💙 Follow me for updates on #Flutter and #Dart Co-Founder wiredash.com 💬📈 CTO phntm.xyz 💼 he/him 👩‍❤️‍👨 husband 🇩🇪 Cologne

int possibleDesignsCount(
String design,
Map<String, int> memo,
List<String> patterns,
) {
if (memo.containsKey(design)) {
return memo[design]!;
}
final sum = patterns.filter((it) => design.startsWith(it)).map((it) {
final remaining = design.substring(it.length);
if (remaining.isEmpty) return 1;
return possibleDesignsCount(remaining, memo, patterns);
}).sum();
memo[design] = sum;
return sum;
}