readonly improvements

Author: UltiRequiem

src/functions/minimum.ts

@@ -1,7 +1,7 @@
 // I prefer iterating over recursivity in almost all cases.
 // Is a good exercise to do some things with recursivity tho.
 
-export function min(...numbers: number[]) {
+export function min(...numbers: readonly number[]) {
   let smaller = Infinity;
 
   for (const num of numbers) {
@@ -13,18 +13,18 @@ export function min(...numbers: number[]) {
   return smaller;
 }
 
-export function minRecursive(...numbers: number[]) {
-  const finder = (current: number, competitor?: number) => {
-    if (!competitor) {
-      return current;
+export function minRecursive(...numbers: readonly number[]) {
+  const finder = (min: number, idx: number) => {
+    if (idx >= numbers.length) {
+      return min;
     }
 
-    if (competitor < current) {
-      current = competitor;
+    if (numbers[idx] < min) {
+      min = numbers[idx];
     }
 
-    return finder(current, numbers.pop());
+    return finder(min, idx + 1);
   };
 
-  return finder(Infinity, numbers.pop());
+  return finder(Infinity, 0);
 }