iter

Author: molpopgen

src/traits.rs

@@ -136,7 +136,7 @@ impl private::NewTypeMarker for crate::PopulationId {}
 #[cfg_attr(doc_cfg, doc(cfg(feature = "provenance")))]
 impl private::NewTypeMarker for crate::ProvenanceId {}
 
-pub trait TableColumn<I, T>:
+pub trait TableColumn<I, T: Copy>:
     std::ops::Index<I, Output = T>
     + std::ops::Index<usize, Output = T>
     + std::ops::Index<crate::SizeType, Output = T>
@@ -146,6 +146,7 @@ pub trait TableColumn<I, T>:
     fn get(&self, at: usize) -> Option<&T>;
     fn get_with_id(&self, at: I) -> Option<&T>;
     fn get_with_size_type(&self, at: crate::SizeType) -> Option<&T>;
+    fn iter(&self) -> impl Iterator<Item = T> + '_;
 }
 
 impl<T> private::TableColumnMarker for crate::table_column::OpaqueTableColumn<'_, T> {}
@@ -163,6 +164,7 @@ where
 impl<I, T> TableColumn<I, T> for crate::table_column::OpaqueTableColumn<'_, T>
 where
     I: private::NewTypeMarker,
+    T: Copy,
 {
     fn as_slice(&self) -> &[T] {
         self.0
@@ -179,4 +181,8 @@ where
     fn get_with_size_type(&self, at: crate::SizeType) -> Option<&T> {
         self.0.get(usize::try_from(at).unwrap())
     }
+
+    fn iter(&self) -> impl Iterator<Item = T> + '_ {
+        self.0.iter().cloned()
+    }
 }