From 0c1429fd7e6e1432e480e59ffc5b0e86588cd26e Mon Sep 17 00:00:00 2001
From: Mike Buland <mike@xagasoft.com>
Date: Tue, 23 Jun 2026 08:50:28 -0700
Subject: Tweaked for generality.

---
 src/context.rs | 18 ++++++++++++++++++
 src/lib.rs     | 21 ++-------------------
 2 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/src/context.rs b/src/context.rs
index 0b51677..6f8e04f 100644
--- a/src/context.rs
+++ b/src/context.rs
@@ -21,6 +21,24 @@ pub trait MappedList<'a> {
     fn get_index(&'a self, id: usize) -> Option<MappedValue<'a>>;
     fn for_each(&'a self, func: &dyn Fn(&MappedValue<'a>, &mut String) -> CrimResult<()>) -> CrimResult<String>;
 }
+    
+impl<'a, T: MappedStructure<'a>> MappedList<'a> for Vec<T> {
+    fn get_index(&'a self, id: usize) -> Option<MappedValue<'a>> {
+        if let Some(x) = self.get(id) {
+            Some(MappedValue::<'a>::Struct(x))
+        } else {
+            None
+        }
+    }
+
+    fn for_each(&'a self, func: &dyn Fn(&MappedValue<'a>, &mut String) -> CrimResult<()>) -> CrimResult<String> {
+        let mut buf = String::new();
+        for i in self {
+            func( &MappedValue::Struct(i), &mut buf )?;
+        }
+        Ok(buf)
+    }
+}
 
 impl<'a> MappedList<'a> for Vec<Value> {
     fn get_index(&'a self, id: usize) -> Option<MappedValue<'a>> {
diff --git a/src/lib.rs b/src/lib.rs
index 162c30c..db88a69 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -522,24 +522,6 @@ Now with explicit outputs:
         }
     }
     
-    impl<'a> MappedList<'a> for Vec<Item> {
-        fn get_index(&'a self, id: usize) -> Option<MappedValue<'a>> {
-            if let Some(x) = self.get(id) {
-                Some(MappedValue::<'a>::Struct(x))
-            } else {
-                None
-            }
-        }
-    
-        fn for_each(&'a self, func: &dyn Fn(&MappedValue<'a>, &mut String) -> CrimResult<()>) -> CrimResult<String> {
-            let mut buf = String::new();
-            for i in self {
-                func( &MappedValue::Struct(i), &mut buf )?;
-            }
-            Ok(buf)
-        }
-    }
-
     #[test]
     fn custom() -> Result<(), CrimError> {
         let page = Page::new();
@@ -552,9 +534,10 @@ Now with explicit outputs:
             l.for_each(&|x: &MappedValue, buf: &mut String| {
                 if let MappedValue::Struct(s) = x {
                     println!(" - {:?}", s.get_value(&"title"));
+                    buf.push_str(&format!("{:?}",s.get_value(&"title")));
                 }
                 Ok(())
-            });
+            }).expect("loop");
         }
         Ok(())
     }
-- 
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