daft_derive/lib.rs
1//! Derive macro for daft (internal crate).
2//!
3//! For more information about daft, see [its documentation](https://docs.rs/daft).
4// Setting html_root_url allows daft's readme to have links to daft-derive. This
5// line is updated by cargo-release.
6#![doc(html_root_url = "https://docs.rs/daft-derive/0.1.2")]
7mod internals;
8
9use quote::ToTokens;
10use syn::parse_macro_input;
11
12// NOTE: We do not define documentation here -- only in daft while re-exporting
13// these items. This is so that doctests that depend on daft work.
14
15#[proc_macro_derive(Diffable, attributes(daft))]
16pub fn derive_diffable(
17 input: proc_macro::TokenStream,
18) -> proc_macro::TokenStream {
19 let input = parse_macro_input!(input as syn::DeriveInput);
20 internals::derive_diffable(input).into_token_stream().into()
21}