Macro type_operators::_tlsm_meta_filter_struct

macro_rules! _tlsm_meta_filter_struct {
    ([$($preceding:tt)*] #[struct: $attr:meta] $($more:tt)*) => { ... };
    ([$($preceding:tt)*] #$attr:tt $($more:tt)*) => { ... };
    ([$($preceding:tt)*] $($decl:tt)*) => { ... };
}