Add example

README.md

@@ -14,10 +14,17 @@ use serde::{Deserialize, Serialize};
 struct MyStruct {
     my_int: i32,
     my_nullable: Option<bool>,
+    my_nested_struct: Nested,
+}
+
+#[derive(Deserialize, Serialize, JsonSchema)]
+#[serde(rename_all = "camelCase")]
+struct Nested {
     #[serde(default)]
     my_string: String,
     #[serde(rename = "myArray")]
     my_float_vec: Vec<f32>,
+    my_recursive_struct: Option<Box<Nested>>,
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -33,11 +40,13 @@ This outputs the following:
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "title": "MyStruct",
+  "type": "object",
+  "definitions": {
+    "Nested": {
       "type": "object",
       "required": [
         "myArray",
-    "myInt",
+        "myRecursiveStruct"
-    "myNullable"
       ],
       "properties": {
         "myArray": {
@@ -47,20 +56,42 @@ This outputs the following:
             "format": "float"
           }
         },
-    "myInt": {
+        "myRecursiveStruct": {
-      "type": "integer",
+          "anyOf": [
-      "format": "int32"
+            {
+              "$ref": "#/definitions/Nested"
             },
-    "myNullable": {
+            {
-      "type": [
+              "type": "null"
-        "boolean",
+            }
-        "null"
           ]
         },
         "myString": {
           "type": "string"
         }
       }
+    }
+  },
+  "required": [
+    "myInt",
+    "myNestedStruct",
+    "myNullable"
+  ],
+  "properties": {
+    "myInt": {
+      "type": "integer",
+      "format": "int32"
+    },
+    "myNestedStruct": {
+      "$ref": "#/definitions/Nested"
+    },
+    "myNullable": {
+      "type": [
+        "boolean",
+        "null"
+      ]
+    }
+  }
 }
 ```
 

schemars/examples/structs.rs

@@ -0,0 +1,26 @@
+use schemars::{JsonSchema, schema_for};
+use serde::{Deserialize, Serialize};
+
+#[derive(Deserialize, Serialize, JsonSchema)]
+#[serde(rename_all = "camelCase")]
+struct MyStruct {
+    my_int: i32,
+    my_nullable: Option<bool>,
+    my_nested_struct: Nested,
+}
+
+#[derive(Deserialize, Serialize, JsonSchema)]
+#[serde(rename_all = "camelCase")]
+struct Nested {
+    #[serde(default)]
+    my_string: String,
+    #[serde(rename = "myArray")]
+    my_float_vec: Vec<f32>,
+    my_recursive_struct: Option<Box<Nested>>,
+}
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let schema = schema_for!(MyStruct)?;
+    println!("{}", serde_json::to_string_pretty(&schema)?);
+    Ok(())
+}