divide and conquer?

Author: UltiRequiem

src/functions/minimum.ts

@@ -4,20 +4,22 @@
 export function min(...numbers: number[]) {
   let smaller = Infinity;
 
-  for (const number of numbers) {
-    if (number < smaller) {
-      smaller = number;
+  for (const num of numbers) {
+    if (num < smaller) {
+      smaller = num;
     }
   }
 
   return smaller;
 }
 
 export function minRecursive(...numbers: number[]) {
-  const finder = (current: number, competitor?: number): number => {
+  const finder = (current: number, competitor?: number) => {
     if (!competitor) {
       return current;
-    } else if (competitor < current) {
+    }
+
+    if (competitor < current) {
       current = competitor;
     }
 

src/language/average.ts

@@ -1,7 +1,23 @@
-export function average(array: readonly number[]) {
+export function averageReducer(array: readonly number[]) {
   return array.reduce((a, b) => a + b) / array.length;
 }
 
+export function average(numbers: readonly number[]) {
+  if (numbers.length === 0) {
+    throw new Error("Cannot compute the average of an empty array.");
+  }
+
+  const sum = (res: number, idx: number) => {
+    if (idx >= numbers.length) {
+      return res;
+    }
+
+    return sum(res + numbers[idx], idx + 1);
+  };
+
+  return sum(0, 0) / numbers.length;
+}
+
 export function averageIterative(array: readonly number[]) {
   let count = 0;