From 963b66e9e7047a188cc31319212d21a78cff49b0 Mon Sep 17 00:00:00 2001
From: Eltrac <hi@guhub.cn>
Date: Fri, 21 Nov 2025 09:33:55 +0800
Subject: perf: concurrently get brew info and reverse dependencies

---
 main.go       | 14 ++++++++++++--
 statistics.go |  4 ++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/main.go b/main.go
index d7ada82..fb72972 100644
--- a/main.go
+++ b/main.go
@@ -25,8 +25,18 @@ func main() {
 			// prompt
 			showLoadingPrompt(fmt.Sprintf("What the heck is \"%s\"", pkgName))
 			// search, tidy up, and print
-			formula, cask := GetBrewInfo(pkgName)
-			stat := NewStatistics(formula, cask, pkgName)
+			fmlChan := make(chan *FormulaInfo)
+			caskChan := make(chan *CaskInfo)
+			rvsChan := make(chan []string)
+			go func() {
+				formula, cask := GetBrewInfo(pkgName)
+				fmlChan <- formula
+				caskChan <- cask
+			}()
+			go func() {
+				rvsChan <- GetBrewUses(pkgName)
+			}()
+			stat := NewStatistics(<-fmlChan, <-caskChan, pkgName,<-rvsChan)
 			hideLoadingPrompt()
 			stat.Print()
 			return nil
diff --git a/statistics.go b/statistics.go
index 46e89c1..17a01d9 100644
--- a/statistics.go
+++ b/statistics.go
@@ -26,7 +26,7 @@ type statistics struct {
 	ReverseDependencies []string
 }
 
-func NewStatistics(formula *FormulaInfo, cask *CaskInfo, pkgName string) *statistics {
+func NewStatistics(formula *FormulaInfo, cask *CaskInfo, pkgName string, rvs []string) *statistics {
 	var statObject statistics
 
 	// === formula/cask specific === //
@@ -47,7 +47,7 @@ func NewStatistics(formula *FormulaInfo, cask *CaskInfo, pkgName string) *statis
 		}
 
 		// get reverse dependencies
-		statObject.ReverseDependencies = GetBrewUses(pkgName)
+		statObject.ReverseDependencies = rvs
 	} else if cask != nil {
 		statObject.Name = cask.Token
 		statObject.Type = "cask"
-- 
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