macro_rules! impl_arena_allocatable_decoder {
([]$args:tt) => { ... };
([decode $(, $attrs:ident)*]
[$name:ident: $ty:ty]) => { ... };
}
macro_rules! impl_arena_allocatable_decoder {
([]$args:tt) => { ... };
([decode $(, $attrs:ident)*]
[$name:ident: $ty:ty]) => { ... };
}