adopt latest golang enhancements (#91)

pkg/es/api.go

@@ -28,6 +28,7 @@ import (
 	"io"
 	"log"
 	"log/slog"
+	"maps"
 	"net/http"
 	"os"
 	"os/exec"
@@ -158,7 +159,7 @@ func ApiRepl(conf *cfg.Config) error {
 }
 
 func pageJsonOutput(conf *cfg.Config, raw []byte) {
-	tmpconf := &cfg.Config{HaveJQ: conf.HaveJQ}
+	tmpconf := new(cfg.Config{HaveJQ: conf.HaveJQ})
 
 	if conf.Pager != "" {
 		tmpconf.HaveJQ = false
@@ -206,16 +207,16 @@ func CallAPI(conf *cfg.Config, verb, path, data string) ([]byte, error) {
 	verb = strings.ToUpper(verb)
 
 	// we're using port-forwards anyway
-	noVerifyTransport := &http.Transport{
-		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
-	}
+	noVerifyTransport := new(http.Transport{
+		TLSClientConfig: new(tls.Config{InsecureSkipVerify: true}),
+	})
 
-	client := &http.Client{Transport: noVerifyTransport}
+	client := new(http.Client{Transport: noVerifyTransport})
 
 	if conf.DebugHTTP {
-		client = &http.Client{
-			Transport: &cfg.DebugTransport{
-				Transport: noVerifyTransport}}
+		client = new(http.Client{
+			Transport: new(cfg.DebugTransport{
+				Transport: noVerifyTransport})})
 	}
 
 	req, err := http.NewRequest(verb, conf.DefaultCluster.Uri+path, bytes.NewBuffer([]byte(data)))
@@ -366,16 +367,7 @@ func ApiList(conf *cfg.Config, pattern string) error {
 func ApiPathNames() []string {
 	assets.LoadAssetOpenApi()
 
-	paths := make([]string, len(assets.OpenAPI.Spec().Paths.Paths))
-
-	idx := 0
-
-	for path := range assets.OpenAPI.Spec().Paths.Paths {
-		paths[idx] = path
-		idx++
-	}
-
-	return paths
+	return slices.Collect(maps.Keys(assets.OpenAPI.Spec().Paths.Paths))
 }
 
 func ApiShow(conf *cfg.Config, showpath, verb string) error {
@@ -536,7 +528,7 @@ func getApiExample(op *Op) string {
 // otherwise showpath+verb have to match precisely.
 func matchOperation(showpath, verb string) (*Op, error) {
 	ops := []*Op{}
-	op := &Op{}
+	op := new(Op{})
 
 	var found bool