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book: Add information about libloading #3087

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book: Add information about libloading #3087

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7e9270f
Add file for libloading
ckrenslehner Jan 10, 2025
6290e77
Update book/src/libloading.md
ckrenslehner Jan 17, 2025
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2 changes: 2 additions & 0 deletions book/src/SUMMARY.md
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- [Annotating types with `#[must-use]`](./must-use-types.md)
- [Field visibility](./visibility.md)
- [Code formatting](./code-formatting.md)
- [Libloading](./libloading.md)

- [Generating Bindings to C++](./cpp.md)
- [Generating Bindings to Objective-c](./objc.md)
- [Using Unions](./using-unions.md)
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8 changes: 8 additions & 0 deletions book/src/libloading.md
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It is also possible to generate bindings for dynamically loading a shared library via the [`libloading`](https://docs.rs/libloading/latest/libloading/) crate.
To generate libloading bindings for a library `shared_lib` we can either use the function `dynamic_library_name` function in `build.rs` or the CLI argument `--dynamic-loading` when using the bindgen CLI.

Here is an example using the bindgen CLI:
```
bindgen wrapper.h --dynamic-loading MySharedLib --output bindings.rs
```
Bindgen will generate a `libloading` struct matching the name of the `--dynamic-loading` argument. So in the case of the example above the generated struct will have the name `MySharedLib`.
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