Generate doc comments in the gegl_enum macro.

gegl/source/operations/enums.rs

@@ -3,6 +3,7 @@
 use crate::gegl_enum;
 
 gegl_enum!(
+  /// The shape for [`FocusBlur`][super::FocusBlur].
   FocusBlurShape,
   Circle => "circle",
   Square => "square",
@@ -12,24 +13,28 @@ gegl_enum!(
 );
 
 gegl_enum!(
+  /// The type for [`FocusBlur`][super::FocusBlur].
   FocusBlurType,
   Gaussian => "gaussian",
   Lens => "lens",
 );
 
 gegl_enum!(
+  /// The algorithm type for [`Maze`][super::Maze].
   MazeAlgorithmType,
   DepthFirst => "depth-first",
   Prim => "prim",
 );
 
 gegl_enum!(
+  /// The abyss policy for [`MedianBlur`][super::MedianBlur].
   MedianBlurAbyssPolicy,
   None => "none",
   Clamp => "clamp",
 );
 
 gegl_enum!(
+  /// The neighborhood for [`MedianBlur`][super::MedianBlur].
   MedianBlurNeighborhood,
   Square => "square",
   Circle => "circle",
@@ -37,6 +42,7 @@ gegl_enum!(
 );
 
 gegl_enum!(
+  /// The tile type for [`Mosaic`][super::Mosaic].
   MosaicTileType,
   Squares => "squares",
   Hexagons => "hexagons",
@@ -45,6 +51,7 @@ gegl_enum!(
 );
 
 gegl_enum!(
+  /// The pattern for [`Newsprint`][super::Newsprint].
   NewsprintPattern,
   Line => "line",
   Circle => "circle",
@@ -54,6 +61,7 @@ gegl_enum!(
 );
 
 gegl_enum!(
+  /// The color model for [`Newsprint`][super::Newsprint].
   NewsprintColorModel,
   BlackOnWhite => "black-on-white",
   Cmyk => "cmyk",
@@ -62,6 +70,7 @@ gegl_enum!(
 );
 
 gegl_enum!(
+  /// The sampler type for [`StereographicProjection`][super::StereographicProjection].
   StereographicProjectionSamplerType,
   Nearest => "nearest",
   Linear => "linear",
@@ -71,12 +80,14 @@ gegl_enum!(
 );
 
 gegl_enum!(
+  /// The fill for [`Waterpixels`][super::Waterpixels].
   WaterpixelsFill,
   Average => "average",
   Random => "random",
 );
 
 gegl_enum!(
+  /// The sampler type for [`Waves`][super::Waves].
   WavesSamplerType,
   Nearest => "nearest",
   Linear => "linear",

gegl/source/operations/macros.rs

@@ -57,14 +57,15 @@ macro_rules! gegl_operation {
 #[macro_export]
 macro_rules! gegl_enum {
   (
+    $(#[$enum_meta:meta])*
     $enum_name:ident,
     $($key:ident => $value:expr),*,
   ) => {
-    #[doc = "TODO: Generate documentation for [`gegl_enum!`]."]
+    $(#[$enum_meta])*
     #[derive(Debug)]
     pub enum $enum_name {
       $(
-        #[doc = "TODO: Generate documentation for [`gegl_enum!`]."]
+        #[doc = concat!("The [`", stringify!($enum_name), "`] `", $value, "`." )]
         $key,
       )*
     }