more lint fixes

Author: davidnewhall

map.go

@@ -1,6 +1,7 @@
 package cnfg
 
 import (
+	"maps"
 	"reflect"
 	"strings"
 )
@@ -32,9 +33,7 @@ func (p Pairs) Set(k, v string) {
 
 // Merge merges two Pairs maps.
 func (p Pairs) Merge(pairs Pairs) {
-	for k, v := range pairs {
-		p[k] = v
-	}
+	maps.Copy(p, pairs)
 }
 
 // UnmarshalMap parses and processes a map of key/value pairs as though they

parse.go

@@ -26,7 +26,7 @@ func (p *parser) Struct(field reflect.Value, prefix string) (bool, error) {
 	var exitOk bool
 
 	t := field.Type().Elem()
-	for idx := 0; idx < t.NumField(); idx++ { // Loop each struct member
+	for idx := range t.NumField() { // Loop each struct member
 		tagval := strings.Split(t.Field(idx).Tag.Get(p.Tag), ",")
 		shorttag := tagval[0]
 

unparse.go

@@ -20,7 +20,7 @@ func (p *unparser) DeconStruct(field reflect.Value, prefix string) (Pairs, error
 	output := Pairs{}
 
 	element := field.Type().Elem()
-	for idx := 0; idx < element.NumField(); idx++ { // Loop each struct member
+	for idx := range element.NumField() { // Loop each struct member
 		tagval := strings.Split(element.Field(idx).Tag.Get(p.Tag), ",")
 		tag := tagval[0]
 
@@ -227,7 +227,7 @@ func (p *unparser) SliceValue(field reflect.Value, tag string, omitempty bool) (
 	output := Pairs{}
 
 	total := field.Len()
-	for i := 0; i < total; i++ {
+	for i := range total {
 		ntag := strings.Join([]string{tag, strconv.Itoa(i)}, LevelSeparator)
 		value := reflect.Indirect(field.Index(i).Addr())