modules

type PackageLoadError struct {
	PkgPath string
	Err     error
}

type Walker struct {
	IncludeVendor   bool // If true, walk into vendor directories. If false, skip them.
	IncludeTestdata bool // If true, walk into testdata directories. If false, skip them.

	ParseLax     bool                 // Use [modfile.ParseLax] to parse go.mod files instead of [modfile.Parse].
	VersionFixer modfile.VersionFixer // Use this version-string fixing function when parsing go.mod files.

	// This is the config to pass to [packages.Load]
	// when loading packages in [Walker.LoadEach] and [Walker.LoadEachGomod].
	// If this is the zero config,
	// a default value of [DefaultLoadConfig] is used.
	// If this is not the zero config but LoadConfig.Mode is zero,
	// a default value of [LoadMode] is used.
	// The Dir field of the config is set to the directory passed to [Walker.LoadEach] or [Walker.LoadEachGomod].
	LoadConfig          packages.Config
	FailOnPackageErrors bool // If true, return an error if any package fails to load.
}