Added capacity to slice creation

vivekv96 · sagikazarmark · commit 72b022eb357a · 2019-11-01T11:15:09.000+01:00
diff --git a/viper.go b/viper.go
@@ -1723,7 +1723,7 @@ func (v *Viper) AllKeys() []string {
 	m = v.flattenAndMergeMap(m, v.defaults, "")
 
 	// convert set of paths to list
-	a := []string{}
+	a := make([]string, 0, len(m))
 	for x := range m {
 		a = append(a, x)
 	}

Original file line number	Diff line number	Diff line change
`@@ -1723,7 +1723,7 @@ func (v *Viper) AllKeys() []string {`
`1723`	`1723`	`m = v.flattenAndMergeMap(m, v.defaults, "")`
`1724`	`1724`
`1725`	`1725`	`// convert set of paths to list`
`1726`		`- a := []string{}`
	`1726`	`+ a := make([]string, 0, len(m))`
`1727`	`1727`	`for x := range m {`
`1728`	`1728`	`a = append(a, x)`
`1729`	`1729`	`}`