Add docs for Capset

1 files changed, 7 insertions, 3 deletions

diff --git a/capset.go b/capset.go
index a7e6171..421f7f1 100644
--- a/capset.go
+++ b/capset.go
@@ -182,10 +182,14 @@ func (d *Deck) FindCard(cardStr string) (card Card, ok bool) {
 }
 
 type Capset struct {
-	d       *Deck
+	// d is the search space to find capsets.
+	d *Deck
+	// tableau is the current attempt to find a capset.
 	tableau []Card
-	maxim   int
-	hasSet  bool
+	// maxim is the minimum size for found capsets.
+	maxim int
+	// hasSet is true if the current tableau contains at least one set.
+	hasSet bool
 }
 
 // NewCapset makes an initialized Capset for the provided deck. If maxim is -1,