doc(deprecated) Update the old and new API comparison.

lib/deprecated/runtime-core/doc/new-api/instance.rs

@@ -1,18 +1,14 @@
 struct Instance {
-    module: Arc<ModuleInner>,
     exports: Exports,
 }
 
 impl Instance {
-    fn load<T: Loader>(&self, loader: T) -> Result<T::Instnace, T::Error>;
-    fn fun<Args, Rets>(&self, name: &str) -> ResolveResult<Args, Rets, Wasm>;
-    fn resolve_func(&self, name: &str) -> ResolveError<usize>;
-    fn dyn_func(&self, name: &str) -> ResolveResult<DynFunc>;
-    fn call(&self, name: &str, params: &[Value]) -> CallResult<Vec<Value>>;
-    fn context(&self) -> &Ctx;
-    fn context_mut(&mut self) -> &mut Ctx;
-    fn exports(&self) -> ExportsIter;
+    fn load<T>(&self, _loader: T) -> Result<Self, ()>;
+    fn fun<Args, Rets>(&self, name: &str) -> Result<Func<Args, Rets>, ExportError>;
+    fn resolve_func(&self, name: &str) -> Result<usize, ()>;
+    fn dyn_fun(&self, name: &str) -> Result<DynFunc, ExportError>;
+    fn call(&self, name: &str, params: &[Value]) -> Result<Vec<Value>, Box<dyn Error>>;
+    fn context(&self) -> Ref<Ctx>;
+    fn context_mut(&mut self) -> RefMut<Ctx>;
     fn module(&self) -> Module;
-    fn get_internal(&self, fields: &InternalField) -> u64;
-    fn set_internal(&self, fields: &InternalField, value: u64);
 }