From 1511a158e64872782b7ed67da352bb8f67fb334b Mon Sep 17 00:00:00 2001
From: ritbrz <ritbrz@gmail.com>
Date: Fri, 8 Nov 2024 23:10:00 +0800
Subject: [PATCH] Replace Lock() with RLock() to optimize performance

---
 constellation.go |  4 ++--
 outputer.go      | 16 ++++++++--------
 season.go        |  4 ++--
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/constellation.go b/constellation.go
index 005b32e1..5bfba2d9 100755
--- a/constellation.go
+++ b/constellation.go
@@ -42,8 +42,8 @@ func (c Carbon) Constellation() string {
 			index = i
 		}
 	}
-	c.lang.rw.Lock()
-	defer c.lang.rw.Unlock()
+	c.lang.rw.RLock()
+	defer c.lang.rw.RUnlock()
 	if resources, ok := c.lang.resources["constellations"]; ok {
 		slice := strings.Split(resources, "|")
 		if len(slice) == MonthsPerYear {
diff --git a/outputer.go b/outputer.go
index 4b1c878d..6f255699 100644
--- a/outputer.go
+++ b/outputer.go
@@ -47,8 +47,8 @@ func (c Carbon) ToMonthString(timezone ...string) string {
 	if len(c.lang.resources) == 0 {
 		c.lang.SetLocale(defaultLocale)
 	}
-	c.lang.rw.Lock()
-	defer c.lang.rw.Unlock()
+	c.lang.rw.RLock()
+	defer c.lang.rw.RUnlock()
 	if resources, ok := c.lang.resources["months"]; ok {
 		slice := strings.Split(resources, "|")
 		if len(slice) == MonthsPerYear {
@@ -70,8 +70,8 @@ func (c Carbon) ToShortMonthString(timezone ...string) string {
 	if len(c.lang.resources) == 0 {
 		c.lang.SetLocale(defaultLocale)
 	}
-	c.lang.rw.Lock()
-	defer c.lang.rw.Unlock()
+	c.lang.rw.RLock()
+	defer c.lang.rw.RUnlock()
 	if resources, ok := c.lang.resources["short_months"]; ok {
 		slice := strings.Split(resources, "|")
 		if len(slice) == MonthsPerYear {
@@ -93,8 +93,8 @@ func (c Carbon) ToWeekString(timezone ...string) string {
 	if len(c.lang.resources) == 0 {
 		c.lang.SetLocale(defaultLocale)
 	}
-	c.lang.rw.Lock()
-	defer c.lang.rw.Unlock()
+	c.lang.rw.RLock()
+	defer c.lang.rw.RUnlock()
 	if resources, ok := c.lang.resources["weeks"]; ok {
 		slice := strings.Split(resources, "|")
 		if len(slice) == DaysPerWeek {
@@ -116,8 +116,8 @@ func (c Carbon) ToShortWeekString(timezone ...string) string {
 	if len(c.lang.resources) == 0 {
 		c.lang.SetLocale(defaultLocale)
 	}
-	c.lang.rw.Lock()
-	defer c.lang.rw.Unlock()
+	c.lang.rw.RLock()
+	defer c.lang.rw.RUnlock()
 	if resources, ok := c.lang.resources["short_weeks"]; ok {
 		slice := strings.Split(resources, "|")
 		if len(slice) == DaysPerWeek {
diff --git a/season.go b/season.go
index f13adb1a..76402c75 100755
--- a/season.go
+++ b/season.go
@@ -38,8 +38,8 @@ func (c Carbon) Season() string {
 			index = season.index
 		}
 	}
-	c.lang.rw.Lock()
-	defer c.lang.rw.Unlock()
+	c.lang.rw.RLock()
+	defer c.lang.rw.RUnlock()
 	if resources, ok := c.lang.resources["seasons"]; ok {
 		slice := strings.Split(resources, "|")
 		if len(slice) == QuartersPerYear {