File: cache_go19.go

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golang-github-jszwec-csvutil 1.7.1-2
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// +build go1.9

package csvutil

import (
	"sync"
)

var fieldCache sync.Map // map[typeKey][]field

func cachedFields(k typeKey) fields {
	if v, ok := fieldCache.Load(k); ok {
		return v.(fields)
	}

	v, _ := fieldCache.LoadOrStore(k, buildFields(k))
	return v.(fields)
}