From 76b1b0ca2401495ec03ba2b6483091b52732eb81 Mon Sep 17 00:00:00 2001
From: Matthias Bisping <matthias.bisping@axbit.com>
Date: Tue, 7 Feb 2023 11:55:30 +0100
Subject: [PATCH] Refactoring

---
 .../image_extractor/extractors/parsable.py    | 25 ++++++++-----------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/image_prediction/image_extractor/extractors/parsable.py b/image_prediction/image_extractor/extractors/parsable.py
index 75e1597..7ce3f6a 100644
--- a/image_prediction/image_extractor/extractors/parsable.py
+++ b/image_prediction/image_extractor/extractors/parsable.py
@@ -152,30 +152,27 @@ def make_eithered_image_metadata_pair(image: Either, metadata: Either) -> Either
     # a := Image
     # b := Metadata
     # c := ImageMetadataPair
+    # m := Either monad
 
+    # fmt: off
     # 1)
-    # return (
+    # pair: Either = (
     #     Right(make_image_metadata_pair)  # m (a -> b -> c)
-    #     .amap(image)  # m (a -> b -> c) $ m a = m (b -> c)
-    #     .amap(metadata)  # m (b -> c) $ m b = m c
-    #     .either(
-    #         left(context),
-    #         right(identity),
-    #     )
+    #     .amap(image)  # m (a -> b -> c) <*> m a = m (b -> c)
+    #     .amap(metadata)  # m (b -> c) <*> m b = m c
     # )
 
     # 2)
-    # return (
+    # pair: Either = (
     #     image.bind(right(make_image_metadata_pair))  # m a >>= m (a -> b -> c) = m (b -> c)
     #     .amap(metadata)  # m (b -> c) <*> m b = m c
-    #     .either(
-    #         left(context),
-    #         right(identity),
-    #     )
     # )
+    # fmt: on
 
-    # Syntactic sugar variant:
-    return Either.apply(make_image_metadata_pair).to_arguments(image, metadata).either(left(context), right(identity))
+    # Syntactic sugar variant with details hidden
+    pair: Either = Either.apply(make_image_metadata_pair).to_arguments(image, metadata)
+
+    return pair.either(left(context), right(identity))
 
 
 @curry(2)