remove redundant generic

src/model.rs

@@ -12,7 +12,7 @@ pub struct Taggart {
     pub cursor:  usize,
     pub offset:  usize,
     pub column:  usize,
-    pub columns: Columns<Entry, fn(&Entry)->Option<Arc<str>>, fn(&mut [Entry], usize, &str)>,
+    pub columns: Columns<fn(&Entry)->Option<Arc<str>>, fn(&mut [Entry], usize, &str)>,
     pub display: Measure<TuiOut>,
     pub tasks:   Vec<Task>,
     pub mode:    Option<Mode>,

src/model/column.rs

@@ -1,9 +1,8 @@
 use crate::*;
 
-pub struct Columns<T, G, S>(pub Vec<Column<T, G, S>>);
+pub struct Columns<G, S>(pub Vec<Column<G, S>>);
 
-pub struct Column<T, G, S> {
+pub struct Column<G, S> {
-    __: std::marker::PhantomData<T>,
     pub title:  Arc<str>,
     pub width:  usize,
     pub getter: G,
@@ -11,7 +10,7 @@ pub struct Column<T, G, S> {
     //pub styler: Option<U>,
 }
 
-impl<T> Column<T, fn(&T)->Option<Arc<str>>, fn(&mut [T], usize, &str)> {
+impl<T> Column<fn(&T)->Option<Arc<str>>, fn(&mut [T], usize, &str)> {
     pub fn new (
         title:  &impl AsRef<str>,
         width:  usize,
@@ -22,7 +21,6 @@ impl<T> Column<T, fn(&T)->Option<Arc<str>>, fn(&mut [T], usize, &str)> {
             title: title.as_ref().into(),
             getter,
             setter: None,
-            __: Default::default(),
         }
     }
     fn setter (mut self, setter: fn(&mut [T], usize, &str)) -> Self {
@@ -45,7 +43,7 @@ macro_rules! setter {
     }
 }
 
-impl Default for Columns<Entry, fn(&Entry)->Option<Arc<str>>, fn(&mut [Entry], usize, &str)> {
+impl Default for Columns<fn(&Entry)->Option<Arc<str>>, fn(&mut [Entry], usize, &str)> {
     fn default () -> Self {
         Self(vec![
             Column::new(&"Hash",     8, |entry: &Entry|entry.hash()),

src/view/table.rs

@@ -83,7 +83,7 @@ impl<'a> TreeTable<'a> {
     }
 }
 
-impl<T, G, S> Columns<T, G, S> {
+impl<G, S> Columns<G, S> {
     pub fn header (&self) -> Arc<str> {
         let mut output = String::new();
         for Column { width, title, .. } in self.0.iter() {