From ba9d2fb48ceef35009d240e713418e415f68ee9d Mon Sep 17 00:00:00 2001
From: Karchnu <karchnu@karchnu.fr>
Date: Thu, 16 Jul 2020 20:04:13 +0200
Subject: [PATCH] reversed

---
 src/cached.cr | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/src/cached.cr b/src/cached.cr
index 33a53ba..0bea1a8 100644
--- a/src/cached.cr
+++ b/src/cached.cr
@@ -3,20 +3,20 @@ require "json"
 
 require "./dodb.cr"
 
-#class Hash(K,V)
-#	def reverse
-#		rev = Array(Tuple(K,V)).new
-#		keys = Array(K).new
-#		each_key do |k|
-#			keys << k
-#		end
-#		keys.reverse.each do |k|
-#			rev << {k, self.[k]}
-#		end
-#
-#		rev
-#	end
-#end
+class Hash(K,V)
+	def reverse
+		rev = Array(Tuple(K,V)).new
+		keys = Array(K).new
+		each_key do |k|
+			keys << k
+		end
+		keys.reverse.each do |k|
+			rev << {k, self.[k]}
+		end
+
+		rev
+	end
+end
 
 class DODB::DataBase::Cached(V)
 	@indexers = [] of Indexer(V)
@@ -88,8 +88,7 @@ class DODB::DataBase::Cached(V)
 	# Can be useful for making dumps or to restore a database, however.
 	def each_with_index(reversed : Bool = false, start_offset = 0, end_offset : Int32? = nil)
 		i = -1 # do not trust key to be the right index
-		#(reversed ? @data.reverse : @data).each do |index, v|
-		@data.each do |index, v|
+		(reversed ? @data.reverse : @data).each do |index, v|
 			i += 1
 			next if start_offset > i
 			break unless end_offset.nil? || i < end_offset
@@ -108,7 +107,11 @@ class DODB::DataBase::Cached(V)
 	end
 
 	def to_a(reversed : Bool = false, start_offset = 0, end_offset : Int32? = nil)
-		@data.values
+		res = Array(V).new
+		each(reversed, start_offset, end_offset) do |v|
+			res << v
+		end
+		res
 	end
 
 	def to_h(reversed : Bool = false, start_offset = 0, end_offset : Int32? = nil)