From 7331909e7767509b27877d99adff1de44b41f8fb Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Wed, 16 Oct 2019 19:13:16 +0200
Subject: Reverse date partitions later

Make partition_days() more like partition().
---
 src/lib.rs  | 5 ++---
 src/main.rs | 7 ++++++-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 8108634..10b4ab9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -87,8 +87,8 @@ mod tests {
                        d(2019, 09, 01), d(2019, 09, 02),
                        d(2019, 09, 03), d(2019, 09, 04)];
         let outs = list![list![d(2019, 09, 04)],
-                         list![d(2019, 09, 02), d(2019, 09, 03)],
-                         list![d(2019, 08, 30), d(2019, 08, 31), d(2019, 09, 01)]];
+                         list![d(2019, 09, 03), d(2019, 09, 02)],
+                         list![d(2019, 09, 01), d(2019, 08, 31), d(2019, 08, 30)]];
 
         assert_eq!(partition_days(&exp2, &ins), outs);
     }
@@ -138,7 +138,6 @@ pub fn partition_days(
         .map(|l| {
             l.into_iter()
                 .map(|d| day1 - Duration::days(d))
-                .rev()
                 .collect()
         })
         .collect();
diff --git a/src/main.rs b/src/main.rs
index 752204c..781018f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,6 +7,7 @@ use std::process::exit;
 use chrono::NaiveDate;
 use docopt::Docopt;
 use serde::Deserialize;
+use std::collections::LinkedList;
 
 mod lib;
 use lib::partition_days;
@@ -40,7 +41,11 @@ fn main() {
         .and_then(|d| d.deserialize())
         .unwrap_or_else(|e| e.exit());
 
-    let parts = partition_days(&|n| exponent(args.flag_base, n), &args.arg_day);
+    let parts: LinkedList<LinkedList<NaiveDate>> =
+        partition_days(&|n| exponent(args.flag_base, n), &args.arg_day)
+        .into_iter()
+        .map(|l| l.into_iter().rev().collect())
+        .collect();
 
     if args.flag_keep {
         for days in parts.iter() {
-- 
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