Remove warnings from build and satisfied clippy (#1288)

* Prefixed unused functions with underscore

* Applied clippy lints

* Fixed some warnings and removed some `allow` statements

node-graph/gcore/src/raster/adjustments.rs

@@ -1,6 +1,6 @@
+#![allow(clippy::too_many_arguments)]
 use super::Color;
 use crate::Node;
-
 use core::fmt::Debug;
 use dyn_any::{DynAny, StaticType};
 #[cfg(feature = "serde")]
@@ -195,7 +195,7 @@ fn extract_channel_node(color: Color, channel: RedGreenBlue) -> Color {
 		RedGreenBlue::Green => color.g(),
 		RedGreenBlue::Blue => color.b(),
 	};
-	return color.map_rgb(|_| extracted_value);
+	color.map_rgb(|_| extracted_value)
 }
 
 #[derive(Debug, Clone, Copy, Default)]

node-graph/gcore/src/raster/discrete_srgb.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::neg_cmp_op_on_partial_ord)]
 //! Fast conversions between u8 sRGB and linear float.
 
 // Inspired by https://gist.github.com/rygorous/2203834, but with a slightly

node-graph/gcore/src/raster/image.rs

@@ -13,7 +13,7 @@ mod base64_serde {
 	use super::super::Pixel;
 	use serde::{Deserialize, Deserializer, Serializer};
 
-	pub fn as_base64<S, P: Pixel>(key: &Vec<P>, serializer: S) -> Result<S::Ok, S::Error>
+	pub fn as_base64<S, P: Pixel>(key: &[P], serializer: S) -> Result<S::Ok, S::Error>
 	where
 		S: Serializer,
 	{
@@ -27,7 +27,7 @@ mod base64_serde {
 	{
 		use serde::de::Error;
 
-		let color_from_chunk = |chunk: &[u8]| P::from_bytes(chunk.try_into().unwrap());
+		let color_from_chunk = |chunk: &[u8]| P::from_bytes(chunk);
 
 		let colors_from_bytes = |bytes: Vec<u8>| bytes.chunks_exact(P::byte_size()).map(color_from_chunk).collect();