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// Copyright 2019 Huan Du. All rights reserved.
// Licensed under the MIT license that can be found in the LICENSE file.
// +build !go1.12
package clone
import (
"reflect"
)
type iter struct {
m reflect.Value
k reflect.Value
keys []reflect.Value
}
func mapIter(m reflect.Value) *iter {
return &iter{
m: m,
keys: m.MapKeys(),
}
}
func (it *iter) Next() bool {
if len(it.keys) == 0 {
return false
}
it.k = it.keys[0]
it.keys = it.keys[1:]
return true
}
func (it *iter) Key() reflect.Value {
return it.k
}
func (it *iter) Value() reflect.Value {
return it.m.MapIndex(it.k)
}
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