INNER CODE UNIT · Go

deepFields

jinzhu/copier · copier.go:527

func deepFields(reflectType reflect.Type) []reflect.StructField {
	deepFieldsLock.RLock()
	cache, ok := deepFieldsMap[reflectType]
	deepFieldsLock.RUnlock()
	if ok {
		return cache
	}
	var res []reflect.StructField
	if reflectType, _ = indirectType(reflectType); reflectType.Kind() == reflect.Struct {
		fields := make([]reflect.StructField, 0, reflectType.NumField())

		for i := 0; i < reflectType.NumField(); i++ {
			v := reflectType.Field(i)
			// PkgPath is the package path that qualifies a lower case (unexported)
			// field name. It is empty for upper case (exported) field names.
			// See https://golang.org/ref/spec#Uniqueness_of_identifiers
			if v.PkgPath == "" {
				fields = append(fields, v)

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