1 files changed, 6 insertions, 6 deletions

diff --git a/src/parser.rs b/src/parser.rs
index 7da2254..7602b94 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -3,6 +3,7 @@ use serde_yaml::Value;
 use std::collections::HashMap;
 
 pub use crate::Roadmap;
+pub use crate::RoadmapError;
 pub use crate::RoadmapResult;
 pub use crate::Status;
 pub use crate::Step;
@@ -37,7 +38,7 @@ fn step_from_value(name: &str, value: &Value) -> RoadmapResult<Step> {
 
             Ok(step)
         }
-        _ => Err("step is not a mapping".to_string().into()),
+        _ => Err(RoadmapError::StepNotMapping),
     }
 }
 
@@ -46,19 +47,18 @@ fn parse_depends(map: &Value) -> RoadmapResult<Vec<&str>> {
     let key_name = "depends";
     let key = Value::String(key_name.to_string());
     let mut depends: Vec<&str> = vec![];
-    let need_list_of_names = format!("'depends' must be a list of step names");
-
+ 
     match map.get(&key) {
         None => (),
         Some(Value::Sequence(deps)) => {
             for depname in deps.iter() {
                 match depname {
                     Value::String(depname) => depends.push(depname),
-                    _ => return Err(need_list_of_names.into()),
+                    _ => return Err(RoadmapError::DependsNotNames),
                 }
             }
         }
-        _ => return Err(need_list_of_names.into()),
+        _ => return Err(RoadmapError::DependsNotNames),
     }
 
     Ok(depends)
@@ -74,7 +74,7 @@ fn parse_status<'a>(map: &'a Value) -> RoadmapResult<Status> {
     let text = parse_string("status", map);
     match Status::from_text(text) {
         Some(status) => Ok(status),
-        _ => Err(format!("unknown status: {:?}", text).into()),
+        _ => Err(RoadmapError::UnknownStatus(text.into())),
     }
 }