Support Bytes (#68)

README.md

@@ -273,3 +273,4 @@ Schemars can implement `JsonSchema` on types from several popular crates, enable
 - [`smallvec`](https://crates.io/crates/smallvec) (^1.0)
 - [`arrayvec`](https://crates.io/crates/arrayvec) (^0.5)
 - [`url`](https://crates.io/crates/url) (^2.0)
+- [`bytes`](https://crates.io/crates/bytes) (^1.0)

docs/4-features.md

@@ -27,3 +27,4 @@ Schemars can implement `JsonSchema` on types from several popular crates, enable
 - [`smallvec`](https://crates.io/crates/smallvec) (^1.0)
 - [`arrayvec`](https://crates.io/crates/arrayvec) (^0.5)
 - [`url`](https://crates.io/crates/url) (^2.0)
+- [`bytes`](https://crates.io/crates/bytes) (^1.0)

schemars/Cargo.toml

@@ -25,6 +25,7 @@ uuid = { version = "0.8", default-features = false, optional = true }
 smallvec = { version = "1.0", optional = true }
 arrayvec = { version = "0.5", default-features = false, optional = true }
 url = { version = "2.0", default-features = false, optional = true }
+bytes = { version = "1.0", optional = true }
 
 [dev-dependencies]
 pretty_assertions = "0.6.1"
@@ -66,6 +67,10 @@ required-features = ["uuid"]
 name = "smallvec"
 required-features = ["smallvec"]
 
+[[test]]
+name = "bytes"
+required-features = ["bytes"]
+
 [[test]]
 name = "arrayvec"
 required-features = ["arrayvec"]

schemars/src/json_schema_impls/bytes.rs

@@ -0,0 +1,6 @@
+use crate::gen::SchemaGenerator;
+use crate::schema::*;
+use crate::JsonSchema;
+use bytes::Bytes;
+
+forward_impl!((JsonSchema for Bytes) => Vec<u8>);

schemars/src/json_schema_impls/mod.rs

@@ -46,6 +46,8 @@ mod array;
 mod arrayvec;
 #[cfg(std_atomic)]
 mod atomic;
+#[cfg(feature = "bytes")]
+mod bytes;
 #[cfg(feature = "chrono")]
 mod chrono;
 mod core;

schemars/tests/bytes.rs

@@ -0,0 +1,8 @@
+mod util;
+use bytes::Bytes;
+use util::*;
+
+#[test]
+fn bytes() -> TestResult {
+    test_default_generated_schema::<Bytes>("bytes")
+}

schemars/tests/expected/bytes.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Array_of_uint8",
+  "type": "array",
+  "items": {
+    "type": "integer",
+    "format": "uint8",
+    "minimum": 0.0
+  }
+}