Use generic Maybe

1 files changed, 4 insertions, 4 deletions

diff --git a/packages/instant/src/util/maybe_big_number.ts b/packages/instant/src/util/maybe_big_number.ts
index 113ba552f..9d3746e10 100644
--- a/packages/instant/src/util/maybe_big_number.ts
+++ b/packages/instant/src/util/maybe_big_number.ts
@@ -1,12 +1,12 @@
 import { BigNumber } from '@0x/utils';
 import * as _ from 'lodash';
 
-import { MaybeBigNumber } from '../types';
+import { Maybe } from '../types';
 
 export const maybeBigNumberUtil = {
-    // converts a string to a MaybeBigNumber
+    // converts a string to a Maybe<BigNumber>
     // if string is a NaN, considered undefined
-    stringToMaybeBigNumber: (stringValue: string): MaybeBigNumber => {
+    stringToMaybeBigNumber: (stringValue: string): Maybe<BigNumber> => {
         let validBigNumber: BigNumber;
         try {
             validBigNumber = new BigNumber(stringValue);
@@ -16,7 +16,7 @@ export const maybeBigNumberUtil = {
 
         return validBigNumber.isNaN() ? undefined : validBigNumber;
     },
-    areMaybeBigNumbersEqual: (val1: MaybeBigNumber, val2: MaybeBigNumber): boolean => {
+    areMaybeBigNumbersEqual: (val1: Maybe<BigNumber>, val2: Maybe<BigNumber>): boolean => {
         if (!_.isUndefined(val1) && !_.isUndefined(val2)) {
             return val1.equals(val2);
         }