added homework and atachments

src/error.rs

@@ -3,23 +3,22 @@ use serde::{Deserialize, Serialize};
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(rename_all = "PascalCase")]
 pub struct Error {
-    message: String,
-    model_state: ModelState,
+    pub message: String,
+    pub model_state: ModelState,
 }
 
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
-struct ModelState {
+pub struct ModelState {
     #[serde(rename = "$type")]
-    type_name: String,
+    pub type_name: String,
     #[serde(rename = "from")]
-    from: StringArray,
+    pub from: StringArray,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
-struct StringArray {
+pub struct StringArray {
     #[serde(rename = "$type")]
-    type_name: String,
+    pub type_name: String,
     #[serde(rename = "$values")]
-    values: Vec<String>,
-}
+    pub values: Vec<String>,
+}