wip: refactor: removing seams

src/color.rs

@@ -0,0 +1,19 @@
+pub(crate) use ::palette::Okhsl;
+
+pub trait HasColor { fn color (&self) -> ItemColor; }
+
+pub struct ItemColor {}
+
+pub struct ItemTheme {}
+
+#[macro_export] macro_rules! has_color {
+    (|$self:ident:$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)?|$cb:expr) => {
+        impl $(<$($L),*$($T $(: $U)?),*>)? HasColor for $Struct $(<$($L),*$($T),*>)? {
+            fn color (&$self) -> ItemColor { $cb }
+        }
+    }
+}
+
+pub fn rgb (r: u8, g: u8, b: u8) -> ItemColor {
+    todo!();
+}