chore: fix warnings (#3989)

core/mapping/marshaler.go

@@ -12,7 +12,7 @@ const (
 )
 
 // Marshal marshals the given val and returns the map that contains the fields.
-// optional=another is not implemented, and it's hard to implement and not common used.
+// optional=another is not implemented, and it's hard to implement and not commonly used.
 func Marshal(val any) (map[string]map[string]any, error) {
 	ret := make(map[string]map[string]any)
 	tp := reflect.TypeOf(val)

core/mapping/unmarshaler.go

@@ -39,7 +39,7 @@ var (
 )
 
 type (
-	// Unmarshaler is used to unmarshal with given tag key.
+	// Unmarshaler is used to unmarshal with the given tag key.
 	Unmarshaler struct {
 		key  string
 		opts unmarshalOptions
@@ -69,7 +69,7 @@ func NewUnmarshaler(key string, opts ...UnmarshalOption) *Unmarshaler {
 	return &unmarshaler
 }
 
-// UnmarshalKey unmarshals m into v with tag key.
+// UnmarshalKey unmarshals m into v with the tag key.
 func UnmarshalKey(m map[string]any, v any) error {
 	return keyUnmarshaler.Unmarshal(m, v)
 }
@@ -629,7 +629,7 @@ func (u *Unmarshaler) processFieldPrimitiveWithJSONNumber(fieldType reflect.Type
 			return err
 		}
 
-		// if value is a pointer, we need to check overflow with the pointer's value.
+		// if the value is a pointer, we need to check overflow with the pointer's value.
 		derefedValue := value
 		for derefedValue.Type().Kind() == reflect.Ptr {
 			derefedValue = derefedValue.Elem()

core/mapping/unmarshaler_test.go

@@ -5866,7 +5866,7 @@ type mockValuerWithParent struct {
 	ok     bool
 }
 
-func (m mockValuerWithParent) Value(key string) (any, bool) {
+func (m mockValuerWithParent) Value(_ string) (any, bool) {
 	return m.value, m.ok
 }
 

core/mapping/utils.go

@@ -416,7 +416,7 @@ func parseOption(fieldOpts *fieldOptions, fieldName, option string) error {
 }
 
 // parseOptions parses the given options in tag.
-// for example: `json:"name,options=foo|bar"` or `json:"name,options=[foo,bar]"`
+// for example, `json:"name,options=foo|bar"` or `json:"name,options=[foo,bar]"`
 func parseOptions(val string) []string {
 	if len(val) == 0 {
 		return nil

core/mapping/valuer.go

@@ -26,9 +26,9 @@ type (
 		parent valuerWithParent
 	}
 
-	// mapValuer is a type for map to meet the Valuer interface.
+	// mapValuer is a type for the map to meet the Valuer interface.
 	mapValuer map[string]any
-	// simpleValuer is a type to get value from current node.
+	// simpleValuer is a type to get value from the current node.
 	simpleValuer node
 	// recursiveValuer is a type to get the value recursively from current and parent nodes.
 	recursiveValuer node