Implement Collection

src/collection/maxWithOrNull.ts

@@ -0,0 +1,9 @@
+export function maxWithOrNull<T>(value: T[], compare: (a: T, b: T) => number): T | null {
+    if (value.length === 0) return null;
+    let max = value[0];
+    for (let index = 1; index < value.length; index++) {
+        const it = value[index];
+        if (compare(it, max) > 0) max = it;
+    }
+    return max;
+}