Macro treena::impl_dynamic_node_id

macro_rules! impl_dynamic_node_id {
    ($outer : ty, $internal : ty, $field : tt) => { ... };
}

Implements NodeId trait for the given node ID type.

Examples

use treena::impl_dynamic_node_id;
use treena::dynamic::NodeIdUsize;

// Tuple struct.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct MyId(NodeIdUsize);
impl_dynamic_node_id!(MyId, NodeIdUsize, 0);

// Struct.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct MyId2 {
    underlying: NodeIdUsize,
};
impl_dynamic_node_id!(MyId2, NodeIdUsize, underlying);