From c87dead39bbcd276f01299934b206324590b45c6 Mon Sep 17 00:00:00 2001
From: Shivaram Lingamneni <slingamn@cs.stanford.edu>
Date: Tue, 3 May 2022 02:45:36 -0400
Subject: [PATCH] remove history.ReverseCorrespondents in favor of generics

---
 irc/history/history.go |  2 +-
 irc/history/targets.go | 15 +++++----------
 irc/mysql/history.go   |  2 +-
 3 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/irc/history/history.go b/irc/history/history.go
index fda91c03..75d6298d 100644
--- a/irc/history/history.go
+++ b/irc/history/history.go
@@ -262,7 +262,7 @@ func (list *Buffer) listCorrespondents(start, end Selector, cutoff time.Time, li
 	}
 
 	if !ascending {
-		ReverseCorrespondents(results)
+		utils.ReverseSlice(results)
 	}
 
 	return
diff --git a/irc/history/targets.go b/irc/history/targets.go
index 39a0c209..39a8c635 100644
--- a/irc/history/targets.go
+++ b/irc/history/targets.go
@@ -6,6 +6,8 @@ package history
 import (
 	"sort"
 	"time"
+
+	"github.com/ergochat/ergo/irc/utils"
 )
 
 type TargetListing struct {
@@ -33,8 +35,8 @@ func MergeTargets(base []TargetListing, extra []TargetListing, start, end time.T
 	results = make([]TargetListing, 0, prealloc)
 
 	if !ascending {
-		ReverseCorrespondents(base)
-		ReverseCorrespondents(extra)
+		utils.ReverseSlice(base)
+		utils.ReverseSlice(extra)
 	}
 
 	for len(results) < limit {
@@ -64,18 +66,11 @@ func MergeTargets(base []TargetListing, extra []TargetListing, start, end time.T
 	}
 
 	if !ascending {
-		ReverseCorrespondents(results)
+		utils.ReverseSlice(results)
 	}
 	return
 }
 
-func ReverseCorrespondents(results []TargetListing) {
-	// lol, generics when?
-	for i, j := 0, len(results)-1; i < j; i, j = i+1, j-1 {
-		results[i], results[j] = results[j], results[i]
-	}
-}
-
 func SortCorrespondents(list []TargetListing) {
 	sort.Slice(list, func(i, j int) bool {
 		return list[i].Time.Before(list[j].Time)
diff --git a/irc/mysql/history.go b/irc/mysql/history.go
index dddef81e..9b69bae1 100644
--- a/irc/mysql/history.go
+++ b/irc/mysql/history.go
@@ -964,7 +964,7 @@ func (mysql *MySQL) listCorrespondentsInternal(ctx context.Context, target strin
 	}
 
 	if !ascending {
-		history.ReverseCorrespondents(results)
+		utils.ReverseSlice(results)
 	}
 
 	return