Simple Rust asset loading derive macro for Enums, and a resource for learning proc-macros!

Please feel free to offer any advice or create a pull request.

The original intent of this library was for compile time loading assets into a binary. This will eventually allow for run-time loading as well, but as for now that will be a future expansion.

TODOs

List of ideas I have at the moment for this project's expansion. Please create an issue for a new item to add to this list, using todo label.

• [ ] Filename prefix
• [ ] Run-time Loading
  • [ ] Static (Once on init)
  • [ ] Dynamic (Fluid loading)
• [X] ~~Compile-time Loading~~

Structure

Since asset-derive is meant to be a procedural macro crate, while also housing a trait implementation as well (to be derived), there is a somewhat complex project structue. This is because of the current annoyance of proc-macro crates having to be defined completely separate to normal crates.

The external API shall stay the same fortunately, asset-derive will now be stuck as the trait implementation crate which depends on asset-derive-macro which houses the actual macro implementation. This is unavoidable for the time being, but I did the best I could to not have the external API change and make it as simple as can be.

Code Tree

asset-derive/ <-- Crate to use (trait implementation) src/ examples/ <-- Houses examples using the trait and macro itself. asset-derive/ <-- Actual internal derive macro crate. Will be pulled in by main crate. src/

Example

```rust use asset_derive::Asset;

[derive(Asset)]

[asset(basepath = "./icons/", ext = "svg")]

enum Icon { #[asset(ext = "png")] Select, Folder, #[asset(filename = "folder-dim")] FolderDim, } ```