Use function pointers for iterators.

2020-05-20 19:27:23 +08:00
parent 55ee4d6a19
commit 80fcc40710
6 changed files with 23 additions and 57 deletions
--- a/src/packages/mod.rs
+++ b/src/packages/mod.rs
@@ -83,7 +83,7 @@ impl PackagesCollection {
        self.packages.iter().any(|p| p.contains_iter(id))
    }
    /// Get the specified TypeId iterator.
-    pub fn get_iter(&self, id: TypeId) -> Option<&IteratorFn> {
+    pub fn get_iter(&self, id: TypeId) -> Option<IteratorFn> {
        self.packages
            .iter()
            .map(|p| p.get_iter(id))