feat: solucao sumEven

07-sumEven/index.js

@@ -1,4 +1,15 @@
 export function sumEven(value) {
   // implementar logica aqui
+  let pair = (x) => x % 2 === 0;
 
+  if (value.length === 0) {
+    return 0;
+  } else if (value % 2 === 1) {
+    return 0;
+  } else {
+    let sumOfPairs = value
+      .filter(pair)
+      .reduce((pairs, number) => pairs + number);
+    return sumOfPairs;
+  }
 }