add more examples

src-tauri/src/state.rs

@@ -0,0 +1,32 @@
+// This module shows examples of how to use managed custom state.
+
+use std::{collections::HashMap, sync::Mutex};
+
+use tauri::{Builder, Wry};
+
+pub struct Store {
+    store: Mutex<HashMap<String, String>>,
+}
+impl Store {
+    pub fn add_key_val(&self, key: String, val: String) {
+        self.store
+            .lock()
+            .expect("cannot lock store")
+            .insert(key, val);
+    }
+    pub fn read_key(&self, key: &String) -> Option<String> {
+        match self.store.lock().expect("cannot lock store").get(key) {
+            Some(s) => Some(s.to_string()),
+            None => None,
+        }
+    }
+}
+
+// Exports a function for the tauri app instance to use and register all commands defined as frontend IPC command handlers.
+pub fn register_managed_state(builder: Builder<Wry>) -> Builder<Wry> {
+    let store = Store {
+        store: Mutex::from(HashMap::new()),
+    };
+
+    builder.manage(store)
+}