Implement multiply function without tests

Author: Tlacenka

src/index.ts

@@ -2,6 +2,10 @@ export function sum(numbers: number[]): number {
   return numbers.reduce((acc, value) => acc + value, 0);
 }
 
+export function multiply(numbers: number[]): number {
+  return numbers.reduce((acc, value) => acc * value, 1);
+}
+
 const MONDAY_COUNT = 1;
 const TUESDAY_COUNT = 2;
 const WEDNESDAY_COUNT = 3;
@@ -17,3 +21,13 @@ console.info(
     FRIDAY_COUNT,
   ]),
 );
+
+console.info(
+  multiply([
+    MONDAY_COUNT,
+    TUESDAY_COUNT,
+    WEDNESDAY_COUNT,
+    THURSDAY_COUNT,
+    FRIDAY_COUNT,
+  ]),
+);