macro_rules! impl_dynamic_send {
(Send; $($ty:ty),+) => { ... };
(Send; builtin::{$($ty:ident),+}) => { ... };
(tuple; $($arg:ident: $ty:ident),*) => { ... };
(!Send; $($ty:ident),+) => { ... };
}
Available on
since_api="4.2"
only.