Initial Implementation of ResourceGuard Macro

proc-utils/src/lib.rs

@@ -0,0 +1,11 @@
+use proc_macro::TokenStream;
+use quote::quote;
+use syn::{parse_macro_input, ItemFn};
+
+#[proc_macro_attribute]
+pub fn guard_resource(_attr: TokenStream, item: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(item as ItemFn);
+    println!("{} defined", input.sig.ident);
+    println!("Args received: {}", _attr.to_string());
+    return TokenStream::from(quote!(#input));
+}