database/sql: preallocate list slice in Drivers() #34602

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julienschmidt wants to merge 1 commit into golang:master from julienschmidt:sql-drivers-prealloc

src/database/sql/sql.go

            
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    @@ -64,7 +64,7 @@ func unregisterAllDrivers() {
  
    func Drivers() []string {

    	driversMu.RLock()

    	defer driversMu.RUnlock()

    	var list []string

    	list := make([]string, 0, len(drivers))

    	for name := range drivers {

    		list = append(list, name)

    	}