Change: return Results when error is possible

1 files changed, 4 insertions, 4 deletions

diff --git a/src/lib.rs b/src/lib.rs
index c3e740b..5e49da1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -35,8 +35,8 @@ impl Roadmap {
         Roadmap { steps: vec![] }
     }
 
-    pub fn from_yaml(_yaml: String) -> Option<Roadmap> {
-        None
+    pub fn from_yaml(_yaml: String) -> Result<Roadmap, Box<dyn std::error::Error>> {
+        Ok(Roadmap::new())
     }
 
     pub fn steps(self) -> Vec<String> {
@@ -51,7 +51,7 @@ impl Roadmap {
         None
     }
 
-    pub fn as_dot(self) -> Option<String> {
-        None
+    pub fn as_dot(self) -> Result<String, Box<dyn std::error::Error>> {
+        Ok("".to_string())
     }
 }