Change: make format_as_dot validate the roadmap

1 files changed, 1 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index cf5500d..d6745a8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -39,6 +39,7 @@ pub use step::Step;
 
 mod map;
 pub use map::Roadmap;
+pub use map::RoadmapError;
 
 mod parser;
 pub use parser::from_yaml;