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-rw-r--r--src/utility.js4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/utility.js b/src/utility.js
index ba97a399..f0439ea7 100644
--- a/src/utility.js
+++ b/src/utility.js
@@ -135,6 +135,10 @@ function sumStringy(x) {
return x.reduce(function(a,b) { return a+b }, '');
}
+function filterTruthy(x) {
+ return x.filter(function(y) { return !!y });
+}
+
function loopOn(array, func) {
for (var i = 0; i < array.length; i++) {
func(i, array[i]);