golang bootstrap 代码
文件路径：/src/cmd/go/internal/modfetch/bootstrap.go
/ Copyright 2019 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.
/go:build cmd_go_bootstrap
package modfetch
import "golang.org/x/mod/module"
func useSumDB(mod module.Version) bool {
return false
}
func lookupSumDB(mod module.Version) (string, []string, error) {
panic("bootstrap")
}