Macro gstreamer::subclass::tracer::define_tracer_hooks

macro_rules! define_tracer_hooks {
    ($($(#[$attr:meta])* $name: ident($quark: literal) = |$this: ident, $ts: ident, $($cb_arg: ident: $cb_arg_ty: ty),*| $impl: block;)*) => { ... };
}