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93c41fba69
geckolib: reupdate bindings to allow easy union modifications
This commit updates the current bindings with a m-c trunk build.
This improves quite a few things:
* It adds `Debug` support for structs, which should be easy.
* It generates unnamed structs definitions.
* And... It allows changing union types directly!
The way mutating a union works is as follows. Each union field has an
unsized field of type `__BindgenUnionField<T>`, where `T` is the type of
the field.
The field has two unsafe methods, `as_ref` and `as_mut`, that would work
as follows (assuming 64 bit pointers):
````rust
let u = nsStyleUnion {
mInt: Default::default(),
mFloat: Default::default(),
mPointer: Default::default(),
_bindgen_data_: 0,
};
unsafe {
assert_eq!(*u.mInt.as_ref() == 0);
*u.mPointer.as_mut() = !0 as *mut _;
assert_eq!(*u.mInt.as_ref() == !0);
*u.mInt.as_mut() = 0;
assert_eq!(*u.mInt.as_ref() == 0);
assert_eq!(*u.mPointer.as_ref() == (!0 << 32) as *mut _);
}
```
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| cef | ||
| geckolib | ||
| glutin | ||
| gonk | ||
