Replace Captures trick with the new use keyword

Author: elbertronnie

libraries/raw-rs/src/demosaicing/linear_demosaicing.rs

@@ -1,4 +1,4 @@
-use crate::{Captures, Pixel, RawImage};
+use crate::{Pixel, RawImage};
 
 fn average(data: &[u16], indexes: impl Iterator<Item = i64>) -> u16 {
 	let mut sum = 0;
@@ -14,14 +14,14 @@ fn average(data: &[u16], indexes: impl Iterator<Item = i64>) -> u16 {
 }
 
 impl RawImage {
-	pub fn linear_demosaic_iter(&self) -> impl Iterator<Item = Pixel> + Captures<&'_ ()> {
+	pub fn linear_demosaic_iter(&self) -> impl Iterator<Item = Pixel> + use<'_> {
 		match self.cfa_pattern {
 			[0, 1, 1, 2] => self.linear_demosaic_rggb_iter(),
 			_ => todo!(),
 		}
 	}
 
-	fn linear_demosaic_rggb_iter(&self) -> impl Iterator<Item = Pixel> + Captures<&'_ ()> {
+	fn linear_demosaic_rggb_iter(&self) -> impl Iterator<Item = Pixel> + use<'_> {
 		let width = self.width as i64;
 		let height = self.height as i64;
 

libraries/raw-rs/src/lib.rs

@@ -200,9 +200,3 @@ pub enum DecoderError {
 	#[error("An IO Error ocurred")]
 	IoError(#[from] std::io::Error),
 }
-
-// This trait is here only to circumvent Rust's lifetime capturing rules in return type impl Trait.
-// See https://youtu.be/CWiz_RtA1Hw?si=j0si4qE2Y20f71Uo
-// This should be removed when Rust 2024 edition is released as described in https://blog.rust-lang.org/2024/09/05/impl-trait-capture-rules.html
-pub trait Captures<U> {}
-impl<T: ?Sized, U> Captures<U> for T {}

libraries/raw-rs/src/postprocessing/transform.rs

@@ -1,7 +1,7 @@
-use crate::{Captures, Image, Pixel, Transform};
+use crate::{Image, Pixel, Transform};
 
 impl Image<u16> {
-	pub fn transform_iter(&self) -> (usize, usize, impl Iterator<Item = Pixel> + Captures<&'_ ()>) {
+	pub fn transform_iter(&self) -> (usize, usize, impl Iterator<Item = Pixel> + use<'_>) {
 		let (final_width, final_height) = if self.transform.will_swap_coordinates() {
 			(self.height, self.width)
 		} else {