Pubkey solana/anchor macro

pubkey.rs

#[proc_macro]
pub fn pubkey(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
    let s = parse_macro_input!(input as LitStr);
    let pk: Pubkey = s.value().parse().unwrap();
    let bytes = pk.to_bytes().map(|b| LitByte::new(b, Span::call_site()));
    let output = quote! {
        anchor_lang::solana_program::pubkey::Pubkey::new_from_array([#(#bytes,)*])
    };
    output.into()
}