func (*Tree[R]) N(r R) R { return r }

type Node[T any] struct {
	*Tree[T]
}

func (Node[Q]) M(Q) {}

type Inst = *Tree[int]
`

	fset := token.NewFileSet()
	f := mustParse(fset, src)
	pkg := NewPackage("p", f.Name.Name)
	if err := NewChecker(nil, fset, pkg, nil).Files([]*ast.File{f}); err != nil {
		t.Fatal(err)
	}

	firstFieldType := func(n *Named) *Named {

	},
	{
		"\ufeffpackage p\n//go:embed x y z\nvar files embed.FS", // no import, no scan
		"",
	},
}

func TestReadEmbed(t *testing.T) {
	fset := token.NewFileSet()
	for i, tt := range readEmbedTests {
		info := fileInfo{
			name: "test",
			fset: fset,
		}
		err := readGoInfo(strings.NewReader(tt.in), &info)
		if err != nil {
			t.Errorf("#%d: %v", i, err)
			continue
		}

				continue // expressions may not be equal
			}
			if reflect.TypeOf(lhs) != reflect.TypeOf(rhs) {
				continue // short-circuit the heavy-weight gofmt check
			}
			le := analysisutil.Format(pass.Fset, lhs)
			re := analysisutil.Format(pass.Fset, rhs)
			if le == re {
				pass.Report(analysis.Diagnostic{
					Pos: stmt.Pos(), Message: fmt.Sprintf("self-assignment of %s to %s", re, le),
					SuggestedFixes: []analysis.SuggestedFix{

		list = append(list, inner)
	}
	return list
}

func main() {
	flag.Parse()
	fset := token.NewFileSet()
	nheadings := 0
	err := filepath.WalkDir(*root, func(path string, info fs.DirEntry, err error) error {
		if !info.IsDir() {
			return nil
		}
		pkgs, err := parser.ParseDir(fset, path, isGoFile, parser.ParseComments)
		if err != nil {
			if *verbose {
				fmt.Fprintln(os.Stderr, err)
			}

func (p *Package) annotateFile(name string, fd io.Writer) {
	fset := token.NewFileSet()
	content, err := os.ReadFile(name)
	if err != nil {
		log.Fatalf("cover: %s: %s", name, err)
	}
	parsedFile, err := parser.ParseFile(fset, name, content, parser.ParseComments)
	if err != nil {
		log.Fatalf("cover: %s: %s", name, err)
	}

	file := &File{
		fset:    fset,
		name:    name,
		content: content,

				return
			}
			s := string(data)
			s = s[:strings.LastIndex(s, "\n$$\n")]

			input := pkgbits.NewPkgDecoder(id, s)
			pkg = readUnifiedPackage(fset, nil, packages, input)
		case 'i':
			pkg, err = iImportData(fset, packages, buf, id)
		default:
			err = fmt.Errorf("import %q: old binary export format no longer supported (recompile library)", path)
		}

	default:

// license that can be found in the LICENSE file.

package doc

import (
	"bytes"
	"go/parser"
	"go/token"
	"internal/diff"
	"testing"
)

func TestComment(t *testing.T) {
	fset := token.NewFileSet()
	pkgs, err := parser.ParseDir(fset, "testdata/pkgdoc", nil, parser.ParseComments)
	if err != nil {
		t.Fatal(err)
	}
	if pkgs["pkgdoc"] == nil {
		t.Fatal("missing package pkgdoc")
	}

func checkCopyLocksAssign(pass *analysis.Pass, as *ast.AssignStmt) {
	for i, x := range as.Rhs {
		if path := lockPathRhs(pass, x); path != nil {
			pass.ReportRangef(x, "assignment copies lock value to %v: %v", analysisutil.Format(pass.Fset, as.Lhs[i]), path)
		}
	}
}

// checkCopyLocksGenDecl checks whether lock is copied
// in variable declaration.
func checkCopyLocksGenDecl(pass *analysis.Pass, gd *ast.GenDecl) {
	if gd.Tok != token.VAR {

			x = bin.X
		case pass.TypesInfo.Types[bin.X].Value != nil:
			x = bin.Y
		default:
			continue
		}

		// e is of the form 'x != c' or 'x == c'.
		xfmt := analysisutil.Format(pass.Fset, x)
		efmt := analysisutil.Format(pass.Fset, e)
		if prev, found := seen[xfmt]; found {
			// checkRedundant handles the case in which efmt == prev.
			if efmt != prev {

type KubeTypes []Pair

func astFrom(filePath string) *doc.Package {
	fset := token.NewFileSet()
	m := make(map[string]*ast.File)

	f, err := parser.ParseFile(fset, filePath, nil, parser.ParseComments)
	if err != nil {
		fmt.Println(err)
		return nil
	}

	m[filePath] = f
	apkg, _ := ast.NewPackage(fset, m, nil, nil)

	return doc.New(apkg, "", 0)
}

func fmtRawDoc(rawDoc string) string {