refactor: bump nightly again

I forgot that it's 2024.

It looks like generators were renamed to coroutines.

2 files changed, 5 insertions, 4 deletions

diff --git a/src/main.rs b/src/main.rs
index 60fcfbd..e7595f4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,7 @@
 // Copyright (C) 2022-2022 Fuwn <[email protected]>
 // SPDX-License-Identifier: MIT
 
-#![feature(decl_macro, generators, generator_trait, lazy_cell)]
+#![feature(decl_macro, coroutines, coroutine_trait)]
 #![deny(
   warnings,
   nonstandard_style,
diff --git a/src/ppm.rs b/src/ppm.rs
index 7e51a75..b829b64 100644
--- a/src/ppm.rs
+++ b/src/ppm.rs
@@ -10,7 +10,7 @@ use {
     collections::HashMap,
     fs,
     io::{Cursor, Read},
-    ops::Generator,
+    ops::Coroutine,
     sync::OnceLock,
   },
 };
@@ -324,7 +324,8 @@ impl PPMParser {
 
   fn read_line_types(
     line_types: &[u8],
-  ) -> impl Generator<Yield = (usize, u8), Return = ()> + '_ {
+  ) -> impl Coroutine<Yield = (usize, u8), Return = ()> + '_ {
+    #[coroutine]
     move || {
       for index in 0..192 {
         let line_type =
@@ -374,7 +375,7 @@ impl PPMParser {
 
       {
         let mut generator = Self::read_line_types(&line_types[layer]);
-        while let std::ops::GeneratorState::Yielded((line, line_type)) =
+        while let std::ops::CoroutineState::Yielded((line, line_type)) =
           std::pin::Pin::new(&mut generator).resume(())
         {
           let mut pixel = 0;