From ce86a2740e41d8b8116bd884c6dff4c60425bd9a Mon Sep 17 00:00:00 2001
From: Erik Hedvall <erikwhedvall@gmail.com>
Date: Sat, 24 Feb 2024 16:04:34 +0100
Subject: [PATCH] Remove unused traits and unnecessary import

---
 palette/src/cast/array.rs      |  2 +-
 palette/src/hsl.rs             |  3 ---
 palette/src/hsv.rs             |  3 ---
 palette/src/hues.rs            |  5 +----
 palette/src/hwb.rs             |  3 ---
 palette_derive/src/meta/mod.rs | 15 ---------------
 6 files changed, 2 insertions(+), 29 deletions(-)

diff --git a/palette/src/cast/array.rs b/palette/src/cast/array.rs
index e55b6ac20..25c9e9f2d 100644
--- a/palette/src/cast/array.rs
+++ b/palette/src/cast/array.rs
@@ -1,6 +1,6 @@
 use core::mem::{transmute_copy, ManuallyDrop};
 
-#[cfg(feature = "alloc")]
+#[cfg(all(feature = "alloc", not(feature = "std")))]
 use alloc::{boxed::Box, vec::Vec};
 
 pub use palette_derive::ArrayCast;
diff --git a/palette/src/hsl.rs b/palette/src/hsl.rs
index 50c0e0bc5..7bc4591fa 100644
--- a/palette/src/hsl.rs
+++ b/palette/src/hsl.rs
@@ -533,9 +533,6 @@ unsafe impl<S: 'static, T> bytemuck::Pod for Hsl<S, T> where T: bytemuck::Pod {}
 mod test {
     use super::Hsl;
 
-    #[cfg(feature = "alloc")]
-    use crate::Srgb;
-
     test_convert_into_from_xyz!(Hsl);
 
     #[cfg(feature = "approx")]
diff --git a/palette/src/hsv.rs b/palette/src/hsv.rs
index 559676df7..6188bd7ff 100644
--- a/palette/src/hsv.rs
+++ b/palette/src/hsv.rs
@@ -540,9 +540,6 @@ unsafe impl<S: 'static, T> bytemuck::Pod for Hsv<S, T> where T: bytemuck::Pod {}
 mod test {
     use super::Hsv;
 
-    #[cfg(feature = "alloc")]
-    use crate::Srgb;
-
     test_convert_into_from_xyz!(Hsv);
 
     #[cfg(feature = "approx")]
diff --git a/palette/src/hues.rs b/palette/src/hues.rs
index 371bf9a8f..6505574b6 100644
--- a/palette/src/hues.rs
+++ b/palette/src/hues.rs
@@ -3,10 +3,7 @@
 #[cfg(any(feature = "approx", feature = "random"))]
 use core::ops::Mul;
 
-use core::{
-    cmp::PartialEq,
-    ops::{Add, AddAssign, Neg, Sub, SubAssign},
-};
+use core::ops::{Add, AddAssign, Neg, Sub, SubAssign};
 
 #[cfg(feature = "approx")]
 use approx::{AbsDiffEq, RelativeEq, UlpsEq};
diff --git a/palette/src/hwb.rs b/palette/src/hwb.rs
index cb815e8cc..7b84540be 100644
--- a/palette/src/hwb.rs
+++ b/palette/src/hwb.rs
@@ -366,9 +366,6 @@ unsafe impl<S: 'static, T> bytemuck::Pod for Hwb<S, T> where T: bytemuck::Pod {}
 mod test {
     use super::Hwb;
 
-    #[cfg(feature = "alloc")]
-    use crate::Srgb;
-
     test_convert_into_from_xyz!(Hwb);
 
     #[cfg(feature = "approx")]
diff --git a/palette_derive/src/meta/mod.rs b/palette_derive/src/meta/mod.rs
index ab01c9b00..9f0fcc11c 100644
--- a/palette_derive/src/meta/mod.rs
+++ b/palette_derive/src/meta/mod.rs
@@ -207,21 +207,6 @@ impl ::quote::ToTokens for IdentOrIndex {
     }
 }
 
-pub trait MetaParser: Default {
-    fn internal(&mut self);
-    fn parse_attribute(&mut self, attribute_name: Ident, attribute_tts: TokenStream) -> Result<()>;
-}
-
-pub trait DataMetaParser: Default {
-    fn parse_struct_field_attribute(
-        &mut self,
-        field_name: IdentOrIndex,
-        ty: Type,
-        attribute_name: Ident,
-        attribute_tts: TokenStream,
-    ) -> Result<()>;
-}
-
 pub trait AttributeArgumentParser: Default {
     fn argument(&mut self, argument: Meta) -> Result<()>;
 }