serde(transparent) and schemars(rename) interaction

[mdepta42]

Hi, is there a way to get #[serde(transparent)] behaviour of inlining the inner type along with custom schema name from `#[schemars(rename = "...")]?

Here's an example

use schemars::JsonSchema;
use serde::Serialize;

#[derive(Serialize, JsonSchema)]
pub struct Anonymous<T>(T);

#[derive(Serialize, JsonSchema)]
#[serde(transparent)]
#[schemars(rename = "Alias")]
pub struct AliasNewType(Anonymous<i32>);

#[derive(Serialize, JsonSchema)]
#[schemars(rename = "Wrapped{T}")]
pub struct Wrapper<T>(T);

fn main() {
    println!(
        "{:#}",
        schemars::schema_for!(Wrapper<AliasNewType>).to_value()
    );
}

In the case above I'd expect that #[schemars(rename = "Alias")] would override serde's attributes (which is otherwise always the case as far as I know), and yet it doesn't here:

{
  "$defs": {
    "Anonymous": {
      "format": "int32",
      "type": "integer"
    }
  },
  "$ref": "#/$defs/Anonymous",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "WrappedAnonymous"
}

[mdepta42]

Alright, I haven't noticed that you can use ! to ignore serde attributes.

use schemars::JsonSchema;
use serde::Serialize;

#[derive(Serialize, JsonSchema)]
#[schemars(inline)]
pub struct Anonymous<T>(T);

#[derive(Serialize, JsonSchema)]
#[serde(transparent)]
#[schemars(!transparent, rename = "Alias")]
pub struct Alias(Anonymous<i32>);

#[derive(Serialize, JsonSchema)]
#[schemars(rename = "Wrapped{T}")]
pub struct Wrapper<T>(T);

pub fn test() {
    println!("{:#}", schemars::schema_for!(Wrapper<Alias>).to_value());
}

This now works as expected:

  "$defs": {
    "Alias": {
      "format": "int32",
      "type": "integer"
    }
  },
  "$ref": "#/$defs/Alias",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "WrappedAlias"
}