Merge branch 'master' into dz/2

README.md

@@ -99,6 +99,12 @@ enum A {
 }
 ```
 
+## Advanced examples 
+
+Some of the less trivial examples are present in [examples](./borsh/examples) folder:
+
+- [implementing `BorshSerialize`/`BorshDeserialize` for third-party `serde_json::Value`](./borsh/examples/serde_json_value.rs)
+
 ## Testing
 
 Integration tests should generally be preferred to unit ones. Root module of integration tests of `borsh` crate is [linked](./borsh/tests/tests.rs) here.

borsh-derive/src/internals/generics.rs

@@ -259,7 +259,9 @@ impl FindTyParams {
         )]
         match bound {
             TypeParamBound::Trait(bound) => self.visit_path(&bound.path),
-            TypeParamBound::Lifetime(_) | TypeParamBound::Verbatim(_) => {}
+            TypeParamBound::Lifetime(_)
+            | TypeParamBound::Verbatim(_)
+            | TypeParamBound::PreciseCapture(_) => {}
             _ => {}
         }
     }

borsh-derive/src/lib.rs

@@ -282,11 +282,15 @@ struct B<K, V> {
 }
 ```
 
+###### usage (comprehensive example)
+
+[borsh/examples/serde_json_value.rs](https://github.com/near/borsh-rs/blob/master/borsh/examples/serde_json_value.rs) is
+a more complex example of how the attribute may be used.
+
 ###### interaction with `#[borsh(skip)]`
 
 `#[borsh(serialize_with = ...)]` is not allowed to be used simultaneously with `#[borsh(skip)]`.
 
-
 */
 #[proc_macro_derive(BorshSerialize, attributes(borsh))]
 pub fn borsh_serialize(input: TokenStream) -> TokenStream {
@@ -622,6 +626,11 @@ struct B<K: Hash + Eq, V> {
 }
 ```
 
+###### usage (comprehensive example)
+
+[borsh/examples/serde_json_value.rs](https://github.com/near/borsh-rs/blob/master/borsh/examples/serde_json_value.rs) is
+a more complex example of how the attribute may be used.
+
 ###### interaction with `#[borsh(skip)]`
 
 `#[borsh(deserialize_with = ...)]` is not allowed to be used simultaneously with `#[borsh(skip)]`.

borsh/Cargo.toml

@@ -18,6 +18,10 @@ exclude = ["*.snap"]
 name = "borsh"
 path = "src/lib.rs"
 
+[[example]]
+name = "serde_json_value"
+required-features = ["std", "derive"]
+
 [[bin]]
 name = "generate_schema_schema"
 path = "src/generate_schema_schema.rs"
@@ -39,6 +43,7 @@ bson = { version = "2", optional = true }
 
 [dev-dependencies]
 insta = "1.29.0"
+serde_json = { version = "1" }
 
 [package.metadata.docs.rs]
 features = ["derive", "unstable__schema", "rc"]