Merge pull request #21 from teloxide/deprecate-dialogue-state

Deprecate `#[derive(DialogueState)]`

CHANGELOG.md

@@ -10,6 +10,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
  - Support for the old dispatching: `#[teloxide(subtransition)]`.
 
+### Deprecated
+
+ - `#[derive(DialogueState)]` in favour of `teloxide::handler!`.
+
 ## 0.5.1 - 2022-03-23
 
 ### Fixed

src/lib.rs

@@ -21,6 +21,7 @@ use quote::{quote, ToTokens};
 use syn::{parse_macro_input, DeriveInput, Fields, ItemEnum};
 
 #[proc_macro_derive(DialogueState, attributes(handler, handler_out, store))]
+#[deprecated(note = "Use teloxide::handler! instead")]
 pub fn derive_dialogue_state(item: TokenStream) -> TokenStream {
     let input = parse_macro_input!(item as ItemEnum);
     match dialogue_state::expand(input) {