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-rw-r--r--main.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/main.go b/main.go
index 6acc013..6515693 100644
--- a/main.go
+++ b/main.go
@@ -90,6 +90,7 @@ func test(op string, f function) {
fmt.Println(m.Value, op, n.Value, "=", r.Value)
}
+// scan lookups element representation
func scan(n int) *list.Element {
if n > alphabet.Len() {
log.Fatal("out of range")