matchset: update docs

1 files changed, 5 insertions, 0 deletions

diff --git a/skate/matchset.go b/skate/matchset.go
index d5f5093..271bad6 100644
--- a/skate/matchset.go
+++ b/skate/matchset.go
@@ -7,6 +7,11 @@ import (
 	"sync"
 )
 
+// matchSetSep separates the strings we want to lookup. This is a hack to get
+// this going: We build a suffix array out of "1F<s>1F<s>..." and prepend "1F"
+// to the string to lookup to check for a match. This results in a behaviour
+// similar to strings.HasPrefix. Multiple results must be handled by the user
+// (or just work with the cases, where you get exactly one match).
 const matchSetSep = "\u001F"
 
 // MatchSet allows to match a string against multiple strings at once. Rough