pub trait ClosureMarkerTrait { }Expand description
This trait identifies instances of the Closure type from rust_closures.h. In Rust land, there will be
multiple instances of this type that we need to be able to cast from one to another. This trait helps us
determine which of these casts are safe. To implement this use BindgenBuilderExt::c_closures_enhancements
from c-closures-build on your bindgen::Builder.