Merge pull request #19 from kevinansfield/node-4-compat

Fix Node.js 4.x compatibility
romulomachado · Feb 8, 2018 · f9eabb7 · f9eabb7
2 parents fac72ee + 9fda91b
commit f9eabb7
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diff --git a/lib/difference.js b/lib/difference.js
@@ -1,4 +1,6 @@
 /* eslint-env node */
+'use strict';
+
 /**
  * Finds the difference between 2 arrays.
  *

diff --git a/lib/intersection.js b/lib/intersection.js
@@ -1,4 +1,6 @@
 /* eslint-env node */
+'use strict';
+
 /**
  * Finds the intersection between 2 arrays.
  *