1 files changed, 45 insertions, 0 deletions
diff --git a/crates/utils/cfg_file/cfg_file_example/src/main.rs b/crates/utils/cfg_file/cfg_file_example/src/main.rs
new file mode 100644
index 0000000..aacef4e
--- /dev/null
+++ b/crates/utils/cfg_file/cfg_file_example/src/main.rs
@@ -0,0 +1,45 @@
+use std::collections::HashMap;
+use cfg_file_derive::ConfigFile;
+use serde::{Deserialize, Serialize};
+use cfg_file::config::ConfigFile;
+
+#[derive(ConfigFile, Deserialize, Serialize, Default)]
+#[cfg_file(path = "./.temp/example/cfg_file/example_cfg.toml")]
+struct ExampleConfig {
+    name: String,
+    age: i32,
+    hobby: Vec<String>,
+    secret: HashMap<String, String>,
+}
+
+#[tokio::main]
+async fn main() {
+    let mut example = ExampleConfig {
+        name: "Weicao".to_string(),
+        age: 22,
+        hobby: vec![ "Programming", "Painting" ]
+            .iter()
+            .map(|m| m.to_string())
+            .collect(),
+        secret: HashMap::new()
+    };
+    let secret_no_comments = "Actually, I'm really too lazy to write comments, documentation, and unit tests.";
+    example.secret
+        .entry("No comments".to_string())
+        .insert_entry(secret_no_comments.to_string());
+
+    let secret_peek = "Of course, it's peeking at you who's reading the source code.";
+    example.secret
+        .entry("Peek".to_string())
+        .insert_entry(secret_peek.to_string());
+
+    ExampleConfig::write(&example).await; // Write to default path.
+
+    // Read from default path.
+    let read_cfg = ExampleConfig::read().await;
+    assert_eq!(read_cfg.name, "Weicao");
+    assert_eq!(read_cfg.age, 22);
+    assert_eq!(read_cfg.hobby, vec![ "Programming", "Painting" ]);
+    assert_eq!(read_cfg.secret["No comments"], secret_no_comments);
+    assert_eq!(read_cfg.secret["Peek"], secret_peek);
+}