#![feature(drain_filter)]
use parse::{AttrGenerator, ExprGenerator};
use proc_macro::TokenStream as TokenStream1;
use quote::ToTokens;
use syn::parse_macro_input;
mod break_visit;
mod gen_visit;
mod parse;
mod process;
#[proc_macro]
pub fn async_generator(input: TokenStream1) -> TokenStream1 {
let input = parse_macro_input!(input as ExprGenerator);
input.process().into_token_stream().into()
}
#[proc_macro_attribute]
pub fn generator(_args: TokenStream1, input: TokenStream1) -> TokenStream1 {
let input = parse_macro_input!(input as AttrGenerator);
input
.process()
.map_or_else(|e| e.to_compile_error(), ToTokens::into_token_stream)
.into()
}