chore: checkpoint before Python removal

vendor/schemars/tests/examples.rs

@@ -0,0 +1,25 @@
+mod util;
+use schemars::JsonSchema;
+use serde::Serialize;
+use util::*;
+
+#[derive(Default, JsonSchema, Serialize)]
+#[schemars(example = "Struct::default", example = "null")]
+struct Struct {
+    #[schemars(example = "eight", example = "null")]
+    foo: i32,
+    bar: bool,
+    #[schemars(example = "null")]
+    baz: Option<&'static str>,
+}
+
+fn eight() -> i32 {
+    8
+}
+
+fn null() {}
+
+#[test]
+fn examples() -> TestResult {
+    test_default_generated_schema::<Struct>("examples")
+}