apply go fmt with Go 1.21 (#394)

yaml.go

@@ -89,43 +89,42 @@ func (s MapSlice) ToMap() map[interface{}]interface{} {
 //
 // The field tag format accepted is:
 //
-// `(...) yaml:"[<key>][,<flag1>[,<flag2>]]" (...)`
+// `(...) yaml:"[<key>][,<flag1>[,<flag2>]]" (...)`
 //
 // The following flags are currently supported:
 //
-// omitempty Only include the field if it's not set to the zero
-//  value for the type or to empty slices or maps.
-//  Zero valued structs will be omitted if all their public
-//  fields are zero, unless they implement an IsZero
-//  method (see the IsZeroer interface type), in which
-//  case the field will be included if that method returns true.
+// omitempty Only include the field if it's not set to the zero
+//  value for the type or to empty slices or maps.
+//  Zero valued structs will be omitted if all their public
+//  fields are zero, unless they implement an IsZero
+//  method (see the IsZeroer interface type), in which
+//  case the field will be included if that method returns true.
 //
-// flow Marshal using a flow style (useful for structs,
-//  sequences and maps).
+// flow Marshal using a flow style (useful for structs,
+//  sequences and maps).
 //
-// inline Inline the field, which must be a struct or a map,
-//  causing all of its fields or keys to be processed as if
-//  they were part of the outer struct. For maps, keys must
-//  not conflict with the yaml keys of other struct fields.
+// inline Inline the field, which must be a struct or a map,
+//  causing all of its fields or keys to be processed as if
+//  they were part of the outer struct. For maps, keys must
+//  not conflict with the yaml keys of other struct fields.
 //
-// anchor Marshal with anchor. If want to define anchor name explicitly, use anchor=name style.
-//  Otherwise, if used 'anchor' name only, used the field name lowercased as the anchor name
+// anchor Marshal with anchor. If want to define anchor name explicitly, use anchor=name style.
+//  Otherwise, if used 'anchor' name only, used the field name lowercased as the anchor name
 //
-// alias Marshal with alias. If want to define alias name explicitly, use alias=name style.
-//  Otherwise, If omitted alias name and the field type is pointer type,
-//  assigned anchor name automatically from same pointer address.
+// alias Marshal with alias. If want to define alias name explicitly, use alias=name style.
+//  Otherwise, If omitted alias name and the field type is pointer type,
+//  assigned anchor name automatically from same pointer address.
 //
 // In addition, if the key is "-", the field is ignored.
 //
 // For example:
 //
-// type T struct {
-// F int `yaml:"a,omitempty"`
-// B int
-// }
-// yaml.Marshal(&T{B: 2}) // Returns "b: 2\n"
-// yaml.Marshal(&T{F: 1}) // Returns "a: 1\nb: 0\n"
-//
+// type T struct {
+// F int `yaml:"a,omitempty"`
+// B int
+// }
+// yaml.Marshal(&T{B: 2}) // Returns "b: 2\n"
+// yaml.Marshal(&T{F: 1}) // Returns "a: 1\nb: 0\n"
 func Marshal(v interface{}) ([]byte, error) {
  return MarshalWithOptions(v)
 }
@@ -167,16 +166,15 @@ func ValueToNode(v interface{}, opts ...EncodeOption) (ast.Node, error) {
 //
 // For example:
 //
-// type T struct {
-//  F int `yaml:"a,omitempty"`
-//  B int
-// }
-// var t T
-// yaml.Unmarshal([]byte("a: 1\nb: 2"), &t)
+// type T struct {
+//  F int `yaml:"a,omitempty"`
+//  B int
+// }
+// var t T
+// yaml.Unmarshal([]byte("a: 1\nb: 2"), &t)
 //
 // See the documentation of Marshal for the format of tags and a list of
 // supported tag options.
-//
 func Unmarshal(data []byte, v interface{}) error {
  return UnmarshalWithOptions(data, v)
 }