Init

examples/example.rs

@@ -0,0 +1,31 @@
+use none_guard::NoneGuard;
+
+#[derive(NoneGuard)]
+struct Test {
+    x: Option<i32>,
+    y: Option<String>,
+    z: Option<f32>,
+}
+
+fn main() {
+    let x = Test {
+        x: Some(1),
+        y: None,
+        z: None,
+    };
+    dbg!(x.is_all_none());
+
+    let y = Test {
+        x: None,
+        y: Some("dd".to_string()),
+        z: Some(2.0),
+    };
+    dbg!(y.is_all_none());
+
+    let z = Test {
+        x: None,
+        y: None,
+        z: None,
+    };
+    dbg!(z.is_all_none());
+}