1 files changed, 16 insertions, 0 deletions
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..23a954e
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,16 @@
+pub mod rectangular;
+
+pub trait CalanderPuzzle {
+    type Placement;
+
+    // returns a Vec that associates with each piece index,
+    // a Vec of possible placements of that piece
+    fn placements(&self, allow_flips: bool) -> Vec<Vec<Self::Placement>>;
+    
+    fn solve(&self) {
+
+    }
+}
+
+
+