macro_rules! vec {
(in $alloc:expr $(;)?) => { ... };
(in $alloc:expr; $elem:expr; $n:expr) => { ... };
(in $alloc:expr; $($x:expr),+ $(,)?) => { ... };
() => { ... };
($elem:expr; $n:expr) => { ... };
($($x:expr),+ $(,)?) => { ... };
}
Expand description
Allocate a new Vec instance with optional initial items.