graph_macro/src/lib.rs


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#![allow(unused_imports)]
//! This file provides a macro to delegate the implementation of a
//! type that wraps a graph.  More precisely, the macro helps the
//! wrapper type implement the various Graph-related traits.

use proc_macro::TokenStream;

use core::iter::Peekable;

#[proc_macro_derive(Testing)]
pub fn test_derive(input: TokenStream) -> TokenStream {
    let input = input.into_iter().peekable();

    for tree in input {
        println!("tree = {tree:?}");
    }

    TokenStream::new()
}