WIP: add new function check number is pair

src/index.js

@@ -39,6 +39,7 @@ import isFunction from './is-function'
 import isOdd from './is-odd'
 import isNumeric from './is-numeric'
 import max from './max'
+import isPair from './is-pair'
 
 export {
   isOdd,
@@ -82,4 +83,5 @@ export {
   subtraction,
   isNumeric,
   max,
+  isPair,
 }

src/is-pair.js

@@ -0,0 +1,14 @@
+export default isPair
+
+/**
+ * Original Source:
+ * https://stackoverflow.com/questions/5016313/how-to-determine-if-a-number-is-odd-in-javascript
+ *
+ * This method will check if a number is odd or not.
+ *
+ * @param {Number} value - value to check
+ * @return {Boolean} - True if n is pair, false if not
+ */
+function isPair(value) {
+  return value % 2 === 0
+}

test/is-pair.test.js

@@ -0,0 +1,16 @@
+import test from 'ava'
+import {isPair} from '../src'
+
+test('checks if number is pair and returns true', t => {
+  const n = 20
+  const expected = true
+  const actual = isPair(n)
+  t.deepEqual(actual, expected)
+})
+
+test('checks if number is pair and returns false', t => {
+  const n = 25
+  const expected = false
+  const actual = isPair(n)
+  t.deepEqual(actual, expected)
+})