Macro dyn_context::context

macro_rules! context {
    (
        $vis:vis struct $name:ident
        $(< $( $lt:tt $( : $clt:tt $(+ $dlt:tt )* )? ),+ $(,)?>)?
        {
            $($(
                $field_1:ident $($field_2:ident)? : $field_mod:ident $field_ty:ty
            ),+ $(,)?)?
        }
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        [$field:ident : ref $field_ty:ty $(, $($other_fields:tt)+)?]
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        [dyn $field:ident : ref $field_ty:ty $(, $($other_fields:tt)+)?]
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        [$field:ident : mut $field_ty:ty $(, $($other_fields:tt)+)?]
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        [dyn $field:ident : mut $field_ty:ty $(, $($other_fields:tt)+)?]
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        [$field:ident : const $field_ty:ty $(, $($other_fields:tt)+)?]
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        [$field:ident : const $field_ty:ty $(, $($other_fields:tt)+)?]
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        [$field_1:ident $($field_2:ident)? : $field_mod:ident $field_ty:ty $(, $($other_fields:tt)+)?]
    ) => { ... };
    (
        @impl
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
        []
    ) => { ... };
    (
        @impl struct
        [$name:ident] [$vis:vis] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($struct_fields:tt)*]
        [$($ctor_args:tt)*]
        [$($ctor_assignments:tt)*]
        [$($struct_methods:tt)*]
    ) => { ... };
    (
        @impl trait
        [$name:ident] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [] []
    ) => { ... };
    (
        @impl trait
        [$name:ident] [$ty:ident] [$this:ident] [$($g:tt)*] [$($r:tt)*]
        [$($trait_impl_ref:tt)*]
        [$($trait_impl_mut:tt)*]
    ) => { ... };
}