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// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package derrors defines internal error values to categorize the different
// types error semantics supported by x/vuln.
package derrors
import (
"fmt"
)
// Wrap adds context to the error and allows
// unwrapping the result to recover the original error.
//
// Example:
//
// defer derrors.Wrap(&err, "copy(%s, %s)", dst, src)
func Wrap(errp *error, format string, args ...interface{}) {
if *errp != nil {
*errp = fmt.Errorf("%s: %w", fmt.Sprintf(format, args...), *errp)
}
}
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