completed 05 ticket v2, started 06 tms

exercises/05_ticket_v2/13_try_from/Cargo.toml

@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+thiserror="*"

exercises/05_ticket_v2/13_try_from/src/lib.rs

@@ -8,6 +8,36 @@ enum Status {
     Done,
 }
 
+// use thiserror::Error;
+
+#[derive(Debug, thiserror::Error)]
+#[error("{reason}, parsing failed.")]
+struct ParseError {
+    reason: String,
+}
+
+impl TryFrom<String> for Status {
+    type Error = ParseError;
+    fn try_from(value: String) -> Result<Self, Self::Error> {
+        match value.to_lowercase().as_str() {
+            "todo" => Ok(Status::ToDo),
+            "done" => Ok(Status::Done),
+            "inprogress" => Ok(Status::InProgress),
+            _ => Err(ParseError {
+                reason: "Not Valid".to_string(),
+            }),
+        }
+        // Ok(Status::Done)
+    }
+}
+
+impl TryFrom<&str> for Status {
+    type Error = ParseError;
+    fn try_from(value: &str) -> Result<Self, Self::Error> {
+        value.to_string().try_into()
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;