refactor taskchampion::task into submodules

taskchampion/src/task/priority.rs

@@ -0,0 +1,48 @@
+/// The priority of a task
+#[derive(Debug, PartialEq)]
+pub enum Priority {
+    /// Low
+    L,
+    /// Medium
+    M,
+    /// High
+    H,
+}
+
+#[allow(dead_code)]
+impl Priority {
+    /// Get a Priority from the 1-character value in a TaskMap,
+    /// defaulting to M
+    pub(crate) fn from_taskmap(s: &str) -> Priority {
+        match s {
+            "L" => Priority::L,
+            "M" => Priority::M,
+            "H" => Priority::H,
+            _ => Priority::M,
+        }
+    }
+
+    /// Get the 1-character value for this priority to use in the TaskMap.
+    pub(crate) fn to_taskmap(&self) -> &str {
+        match self {
+            Priority::L => "L",
+            Priority::M => "M",
+            Priority::H => "H",
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_priority() {
+        assert_eq!(Priority::L.to_taskmap(), "L");
+        assert_eq!(Priority::M.to_taskmap(), "M");
+        assert_eq!(Priority::H.to_taskmap(), "H");
+        assert_eq!(Priority::from_taskmap("L"), Priority::L);
+        assert_eq!(Priority::from_taskmap("M"), Priority::M);
+        assert_eq!(Priority::from_taskmap("H"), Priority::H);
+    }
+}