# HG changeset patch
# User IBBoard <dev@ibboard.co.uk>
# Date 1702152737 0
# Node ID 5c8d2d181b94bda0a5d8c7e464dc7f4da98beea3
# Parent  dcc060e59c47db6a238954b0712cdca283fd93fd
Remove an unnecessary level of nesting

The `reduce` now just passes through the remaining part of
each range to future range transforms

diff -r dcc060e59c47 -r 5c8d2d181b94 day5b.rb
--- a/day5b.rb	Sat Dec 09 20:07:16 2023 +0000
+++ b/day5b.rb	Sat Dec 09 20:12:17 2023 +0000
@@ -37,8 +37,8 @@
 def map_with_override(mappings, inputs)
 	inputs.flat_map do |input|
 		processed = []
-		reduced_unprocessed = mappings.ranges.reduce(input) do |unprocessed, mapping|
-			if unprocessed.nil?
+		reduced_unprocessed = mappings.ranges.reduce(input) do |input_range, mapping|
+			if input_range.nil?
 				nil
 			elsif mapping.source_range.end <= input_range.begin or input_range.end <= mapping.source_range.begin
 				# Input is entirely outside the mapped range
@@ -57,7 +57,10 @@
 				(mapping.source_range.end)...(input_range.end)
 			end
 		end
-		processed + reduced_unprocessed
+		if ! reduced_unprocessed.nil?
+			processed << reduced_unprocessed
+		end
+		processed
 	end
 end