func NewMemFiler() *MemFiler {
	fi, err := file.OpenMem("")
	if err != nil {
		return nil
	}
	return &MemFiler{fi: fi}
}
NewMemFiler returns a new MemFiler.
package lldb
import (
	"fmt"
	"io"
	"github.com/cznic/internal/file"
)
var _ Filer = &MemFiler{}
type MemFiler struct {
	fi   file.Interface
	nest int
}