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-rw-r--r--utils/comb.js12
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diff --git a/utils/comb.js b/utils/comb.js
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+++ b/utils/comb.js
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+// A set of combine utilities for use with Space.comb()
+// Note: char1 is this and char2 is other. char1 will go "over" char2
+
+function add(char1, char2){
+ if (char1 == '') return char2;
+ else return char1;
+}
+
+function sub(char1, char2){
+ if (char1 == char2) return '';
+ else return char1;
+}