predefine length of keys return slice

Joe Bowman · Joe Bowman · commit a2508feffa97 · 2025-01-30T12:46:46.000Z
diff --git a/utils/sort.go b/utils/sort.go
@@ -8,7 +8,7 @@ import (
 )
 
 func Keys[V interface{}](in map[string]V) []string {
-	out := make([]string, 0)
+	out := make([]string, 0, len(in))
 
 	for k := range in {
 		out = append(out, k)

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@ import (`
`8`	`8`	`)`
`9`	`9`
`10`	`10`	`func Keys[V interface{}](in map[string]V) []string {`
`11`		`- out := make([]string, 0)`
	`11`	`+ out := make([]string, 0, len(in))`
`12`	`12`
`13`	`13`	`for k := range in {`
`14`	`14`	`out = append(out, k)`