bevy/crates/bevy_reflect/bevy_reflect_derive/Cargo.toml
Gino Valente a658bfef19 bevy_reflect: Reflect doc comments (#6234)
# Objective

Resolves #6197

Make it so that doc comments can be retrieved via reflection.

## Solution

Adds the new `documentation` feature to `bevy_reflect` (disabled by default).

When enabled, documentation can be found using `TypeInfo::doc` for reflected types:

```rust
/// Some struct.
///
/// # Example
///
/// ```ignore
/// let some_struct = SomeStruct;
/// ```
#[derive(Reflect)]
struct SomeStruct;

let info = <SomeStruct as Typed>::type_info();
assert_eq!(
    Some(" Some struct.\n\n # Example\n\n ```ignore\n let some_struct = SomeStruct;\n ```"),
    info.docs()
);
```

### Notes for Reviewers

The bulk of the files simply added the same 16 lines of code (with slightly different documentation). Most of the real changes occur in the `bevy_reflect_derive` files as well as in the added tests.

---

## Changelog

* Added `documentation` feature to `bevy_reflect`
* Added `TypeInfo::docs` method (and similar methods for all info types)
2022-10-18 13:49:57 +00:00

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TOML

[package]
name = "bevy_reflect_derive"
version = "0.9.0-dev"
edition = "2021"
description = "Derive implementations for bevy_reflect"
homepage = "https://bevyengine.org"
repository = "https://github.com/bevyengine/bevy"
license = "MIT OR Apache-2.0"
keywords = ["bevy"]
[lib]
proc-macro = true
[features]
default = []
# When enabled, allows documentation comments to be processed by the reflection macros
documentation = []
[dependencies]
bevy_macro_utils = { path = "../../bevy_macro_utils", version = "0.9.0-dev" }
syn = { version = "1.0", features = ["full"] }
proc-macro2 = "1.0"
quote = "1.0"
uuid = { version = "1.1", features = ["v4"] }
bit-set = "0.5.2"