Process validation attributes in tuple structs

schemars/tests/expected/validate_tuple.json

@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Tuple",
+  "type": "array",
+  "items": [
+    {
+      "type": "integer",
+      "format": "uint8",
+      "maximum": 10.0,
+      "minimum": 0.0
+    },
+    {
+      "type": "boolean"
+    }
+  ],
+  "maxItems": 2,
+  "minItems": 2
+}

schemars/tests/validate.rs

@@ -47,6 +47,17 @@ fn validate() -> TestResult {
     test_default_generated_schema::<Struct>("validate")
 }
 
+#[derive(Debug, JsonSchema)]
+pub struct Tuple(
+    #[validate(range(max = 10))] u8,
+    #[validate(required)] Option<bool>,
+);
+
+#[test]
+fn validate_tuple() -> TestResult {
+    test_default_generated_schema::<Tuple>("validate_tuple")
+}
+
 #[derive(Debug, JsonSchema)]
 pub struct NewType(#[validate(range(max = 10))] u8);