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# asset-derive
<a href="https://docs.rs/asset-derive/latest/asset_derive/"> </a>
<a href="https://crates.io/crates/asset-derive"> </a>
<a href="/LICENSE"> </a>
<a href="#todos">  </a>
[Summary](#summary)
•
[Todos](#todos)
•
[Docs](https://docs.rs/asset-derive/latest/asset_derive/)
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<div align="center">
<br>
# Summary
</div>
> 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,
}
Icon::Select.fetch()
Icon::FolderDim.fetch_static()
```