transformer-derive 0.1.1

Macros implementation for #[derive(Transform)]
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

mod transform;

use proc_macro::TokenStream;
use proc_macro_error2::proc_macro_error;
use syn::{parse_macro_input, DeriveInput};
use transform::expand_transform;

#[proc_macro_error]
#[proc_macro_derive(Transform, attributes(transform))]
pub fn derive_transform(input: TokenStream) -> TokenStream {
    let input = parse_macro_input!(input as DeriveInput);
    expand_transform(input)
        .unwrap_or_else(syn::Error::into_compile_error)
        .into()
}