remove Task, count changes explicitly

src/model.rs

@@ -2,7 +2,6 @@ use crate::*;
 
 mod column; pub use self::column::*;
 mod entry;  pub use self::entry::*;
-mod task;   pub use self::task::*;
 
 /// The application state.
 pub struct Taggart {
@@ -13,11 +12,10 @@ pub struct Taggart {
     pub column:   usize,
     pub columns:  Columns<fn(&Entry)->Option<Arc<str>>, fn(&mut Self, usize, &str)>,
     pub display:  Measure<TuiOut>,
-    pub tasks:    Vec<Task>,
     /// State of modal dialog of editing field
     pub mode:     Option<Mode>,
-    /// Count of modified items
-    pub modified: usize,
+    /// Count of changes to items
+    pub changes: usize,
 }
 
 #[derive(Debug)]
@@ -38,9 +36,8 @@ impl Taggart {
             display: Measure::new(),
             mode:    None,
             columns: Columns::default(),
-            tasks:   vec![],
             entries,
-            modified: 0
+            changes: 0
         })
     }
     /// Make sure cursor is always in view
@@ -62,14 +59,14 @@ impl Taggart {
         }
     }
     /// Count modified entries
-    pub(crate) fn count_modified (&mut self) -> usize {
-        let mut modified = 0;
+    pub(crate) fn count_changes (&mut self) -> usize {
+        let mut changes = 0;
         for entry in self.entries.iter() {
             if entry.is_modified() {
-                modified += 1;
+                changes += 1;
             }
         }
-        self.modified = modified;
-        self.modified
+        self.changes = changes;
+        self.changes
     }
 }