provide more impls

Author: molpopgen

src/traits.rs

@@ -170,20 +170,27 @@ pub trait TableColumn<I, T>:
     /// Get the underlying slice
     fn as_slice(&self) -> &[T];
 
-    /// The "standard" get function
-    fn get(&self, at: usize) -> Option<&T>;
-
     /// Get with a table row identifier such as [`crate::NodeId`]
     fn get_with_id(&self, at: I) -> Option<&T>;
 
+    /// The "standard" get function
+    fn get(&self, at: usize) -> Option<&T> {
+        self.as_slice().get(at)
+    }
+
     /// Get with [`crate::SizeType`]
-    fn get_with_size_type(&self, at: crate::SizeType) -> Option<&T>;
+    fn get_with_size_type(&self, at: crate::SizeType) -> Option<&T> {
+        self.as_slice().get(usize::try_from(at).ok()?)
+    }
 
     /// Iterator over the data.
     fn iter<'a, 'b>(&'a self) -> impl Iterator<Item = &'b T>
     where
         'a: 'b,
-        T: 'b;
+        T: 'b,
+    {
+        self.as_slice().iter()
+    }
 
     /// Column length
     fn len(&self) -> usize {
@@ -216,23 +223,7 @@ where
         self.0
     }
 
-    fn get(&self, at: usize) -> Option<&T> {
-        self.0.get(at)
-    }
-
     fn get_with_id(&self, at: I) -> Option<&T> {
         self.0.get(at.try_into().ok()?)
     }
-
-    fn get_with_size_type(&self, at: crate::SizeType) -> Option<&T> {
-        self.0.get(usize::try_from(at).ok()?)
-    }
-
-    fn iter<'a, 'b>(&'a self) -> impl Iterator<Item = &'b T>
-    where
-        'a: 'b,
-        T: 'b,
-    {
-        self.0.iter()
-    }
 }