datastruct_derive 0.1.1

The derive macro of `datastruct` crate.
Documentation 
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mod cmp;
mod config;
mod generate;
mod syntax;
mod utils;
mod ops;

use crate::generate::RichStructContent;
use proc_macro::TokenStream;
use syn::parse_macro_input;


#[proc_macro_derive(DataStruct, attributes(dstruct, dfield))]
pub fn datastruct(input: TokenStream) -> TokenStream {
    let parsed = parse_macro_input!(input with syntax::RichStruct::parse_struct);
    let expanded = match RichStructContent::from_syntax(parsed) {
        Err(e) => e.to_compile_error(),
        Ok(content) => content
            .to_impl()
            .unwrap_or_else(syn::Error::into_compile_error),
    };

    expanded.into()
}