// ------------------------------------------------------------------------
//   Project atila
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  rfields.go
//   Created by DEV
//   Modified   27/01/2024
//
//   Copyright 2024 activething.com 
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------

package reflects



type (

	RFields 		[]RField

)

/*
func (f RFields) Dominant() (RField, bool) {
	// The Fields are sorted in increasing index-length order, then by presence of tag.
	// That means that the first RField is the dominant one. We need only check
	// for error cases: two Fields at top level, either both tagged or neither tagged.
	if len(f) > 1 && len(f[0].Index) == len(f[1].Index) && f[0].Tagged() == f[1].Tagged() {
		return RField{}, false
	}
	return f[0], true
}
*/



func (f RFields) Len() int { return len(f) }

func (f RFields) Swap(i, j int) { f[i], f[j] = f[j], f[i] }

func (f RFields) Less(i, j int) bool {
	for k, xik := range f[i].Index {
		if k >= len(f[j].Index) {
			return false
		}
		if xik != f[j].Index[k] {
			return xik < f[j].Index[k]
		}
	}
	return len(f[i].Index) < len(f[j].Index)
}