hmmmm_derive 0.1.0

Derive macros for the hmmmm crate.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

extern crate proc_macro;

mod helpers;
mod observation;
mod state;

use observation::derive_observation_inner;
use state::derive_state_inner;
use syn::DeriveInput;

#[proc_macro_derive(State)]
pub fn derive_state(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
  let ast = syn::parse_macro_input!(input as DeriveInput);

  let toks = derive_state_inner(&ast).unwrap_or_else(|err| err.to_compile_error());

  toks.into()
}

#[proc_macro_derive(Observation)]
pub fn derive_observation(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
  let ast = syn::parse_macro_input!(input as DeriveInput);

  let toks = derive_observation_inner(&ast).unwrap_or_else(|err| err.to_compile_error());

  toks.into()
}