func Error(err error) zapcore.Field {
	return NamedError("error", err)
}
Error is shorthand for the common idiom NamedError("error", err).
package zap
import (
	"sync"
	"go.uber.org/zap/zapcore"
)
var _errArrayElemPool = sync.Pool{New: func() interface{} {
	return &errArrayElem{}
}}