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use proc_macro2::TokenStream;
use quote::quote;
pub fn wrap_in_const(serde_path: Option<&syn::Path>, code: TokenStream) -> TokenStream {
let use_serde = match serde_path {
Some(path) => quote! {
use #path as _serde;
},
None => quote! {
#[allow(unused_extern_crates, clippy::useless_attribute)]
extern crate serde as _serde;
},
};
quote! {
#[doc(hidden)]
#[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
const _: () = {
#use_serde
#code
};
}
}