1 files changed, 4 insertions, 0 deletions
diff --git a/chain/Cargo.toml b/chain/Cargo.toml
index 265954c..c55586d 100644
--- a/chain/Cargo.toml
+++ b/chain/Cargo.toml
@@ -5,6 +5,10 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+default = []
+test-print-viz = []
+
 [dependencies]
 nfa = { path = "../nfa" }
 graph = { path = "../graph" }