Macro petgraph::visit::macros::trait_template

macro_rules! trait_template {
    ($(#[$doc:meta])* pub trait $name:ident $($methods:tt)*) => { ... };
}

Define a trait as usual, and a macro that can be used to instantiate implementations of it.

There must be section markers in the trait defition: @section type for associated types @section self for methods @section nodelegate for arbitrary tail that is not forwarded.