@0x/contracts-test-utils: Add shortZip().

contracts/test-utils/src/lang_utils.ts

@@ -0,0 +1,9 @@
+import * as _ from 'lodash';
+
+/**
+ * _.zip() that clips to the shortest array.
+ */
+export function shortZip<T1, T2>(a: T1[], b: T2[]): Array<[T1, T2]> {
+    const minLength = Math.min(a.length, b.length);
+    return _.zip(a.slice(0, minLength), b.slice(0, minLength)) as Array<[T1, T2]>;
+}