Add an example with reconcile, hydrate, and hydrate path

autosurgeon/examples/try_hydrate_path.rs

@@ -0,0 +1,82 @@
+use autosurgeon::{reconcile, hydrate, hydrate_path, Reconcile, Hydrate, Prop};
+use automerge;
+
+
+#[derive(Reconcile, Hydrate, Clone, Debug, Eq, PartialEq)]
+struct ContactBook {
+    #[key]
+    id: String,
+    contacts: Vec<Contact>,
+}
+
+#[derive(Reconcile, Hydrate, Clone, Debug, Eq, PartialEq)]
+struct Contact {
+    name: String,
+    addresses: Vec<Address>,
+    #[key]
+    id: String,
+}
+
+#[derive(Reconcile, Hydrate, Clone, Debug, Eq, PartialEq)]
+struct Address {
+    line_one: String,
+    line_two: String,
+}
+fn main() {
+
+    let mut doc = automerge::Automerge::new();        
+
+    // Make up some data
+    let bob = Contact {
+        name: "bob".to_string(),
+        id: "one".to_string(),
+        addresses: vec![Address {
+            line_one: "line one".to_string(),
+            line_two: "line two".to_string(),
+        }],
+    };
+    let alice = Contact {
+        name: "alice".to_string(),
+        id: "two".to_string(),
+        addresses: vec![Address {
+            line_one: "33 Rockefeller Plaza".to_string(),
+            line_two: "New York".to_string(),
+        }],
+    };
+
+    let contacts = ContactBook {
+        contacts: vec![bob, alice], 
+        id: "My Contact Book".to_string()
+    };
+
+    // Now insert it into the document
+    let _tx_res = doc
+        .transact_with::<_, _, automerge::AutomergeError, _>(
+            |_| automerge::transaction::CommitOptions::default().with_message("Set Contact Book".to_owned()),
+            |tx| {
+                reconcile(tx, &contacts).unwrap();
+                Ok(())
+            });
+
+    println!("We made the following document: {:#?}", doc.dump());
+
+
+    // Let's hydrate the whole document but naively use the hydrate_path
+    let contact_book: ContactBook = hydrate(&doc).unwrap();
+    println!("That hydrates back to this via hydrate: {:#?}", contact_book);
+
+    // Let's hydrate the whole document but naively use the hydrate_path
+    let contact_book: Result<Option<ContactBook>, _> = hydrate_path(&doc, &automerge::ROOT, vec![
+        Prop::Key("My Contact Book".into()),
+    ].into_iter());
+    println!("That hydrates back to this via hydrate_path: {:#?}", contact_book);
+
+
+    let s_visit_alice: Result<Option<ContactBook>, _> = hydrate_path(&doc, &automerge::ROOT, vec![
+        Prop::Key("My Contact Book".into()),
+        Prop::Key("two".into())
+    ].into_iter());
+
+    println!("Let's Visit Alice at: {:#?}", s_visit_alice);
+
+}