}
	funcType := printFunc.Type()
	if funcType.NumIn() != 2 || funcType.NumOut() != 2 {
		return fmt.Errorf("invalid print handler." +
			"Must accept 2 parameters and return 2 value")
	}
	if funcType.In(1) != reflect.TypeOf((*GenerateOptions)(nil)).Elem() ||
		funcType.Out(0) != reflect.TypeOf((*[]metav1.TableRow)(nil)).Elem() ||
		funcType.Out(1) != reflect.TypeOf((*error)(nil)).Elem() {

		}
		buf.WriteByte(']')
		WriteExpr(buf, x.Elt)

	case *ast.StructType:
		buf.WriteString("struct{")
		writeFieldList(buf, x.Fields.List, "; ", false)
		buf.WriteByte('}')

	case *ast.FuncType:
		buf.WriteString("func")
		writeSigExpr(buf, x)

	case *ast.InterfaceType:
		buf.WriteString("interface{")
		writeFieldList(buf, x.Methods.List, "; ", true)
		buf.WriteByte('}')

func (f *File) walkUnexpected(x interface{}, context astContext, visit func(*File, interface{}, astContext)) {
	error_(token.NoPos, "unexpected type %T in walk", x)
	panic("unexpected type")
}

func funcTypeTypeParams(n *ast.FuncType) *ast.FieldList {
	return nil
}

func typeSpecTypeParams(n *ast.TypeSpec) *ast.FieldList {
	return nil

		panic("unexpected type")

	case *ast.IndexListExpr:
		f.walk(&n.X, ctxExpr, visit)
		f.walk(n.Indices, ctxExpr, visit)
	}
}

func funcTypeTypeParams(n *ast.FuncType) *ast.FieldList {
	return n.TypeParams
}

func typeSpecTypeParams(n *ast.TypeSpec) *ast.FieldList {
	return n.TypeParams

	var ft *abi.Type
	var abid abiDesc
	if rcvr != nil {
		ft, _, abid = funcLayout((*funcType)(unsafe.Pointer(t.common())), rcvr.common())
	} else {
		ft, _, abid = funcLayout((*funcType)(unsafe.Pointer(t.(*rtype))), nil)
	}
	// Extract size information.
	argSize = abid.stackCallArgsSize
	retOffset = abid.retOffset
	frametype = toType(ft)

// The first three words of this type must be kept in sync with
// methodValue and runtime.reflectMethodValue.
// Any changes should be reflected in all three.
type makeFuncImpl struct {
	makeFuncCtxt
	ftyp *funcType
	fn   func([]Value) []Value
}

// MakeFunc returns a new function of the given [Type]
// that wraps the function fn. When called, that new function
// does the following:
//

	// func Receiver Name Type
	FuncDecl struct {
		Pragma     Pragma
		Recv       *Field // nil means regular function
		Name       *Name
		TParamList []*Field // nil means no type parameters
		Type       *FuncType
		Body       *BlockStmt // nil means no body (forward declaration)
		decl
	}
)

type decl struct{ node }

func (*decl) aDecl() {}

				continue
			}
			return n.Pos()
		// types
		// case *ArrayType:
		// case *SliceType:
		// case *DotsType:
		// case *StructType:
		// case *Field:
		// case *InterfaceType:
		// case *FuncType:
		// case *MapType:
		// case *ChanType:

		// statements
		// case *EmptyStmt:
		// case *LabeledStmt:
		// case *BlockStmt:
		// case *ExprStmt:
		case *SendStmt:
			m = n.Chan
		// case *DeclStmt:

			}
			continue // ignore
		}

		// The go/parser doesn't accept method type parameters but an ast.FuncType may have them.
		if sig.tparams != nil {
			var at positioner = f.Type
			if ftyp, _ := f.Type.(*ast.FuncType); ftyp != nil && ftyp.TypeParams != nil {
				at = ftyp.TypeParams
			}
			check.error(at, InvalidSyntaxTree, "methods cannot have type parameters")
		}

	"go/parser"
	"go/token"
	"io/fs"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"sync"
	"testing"
)

var typeNames = []string{
	"uncommonType",
	"arrayType",
	"chanType",
	"funcType",
	"interfaceType",
	"ptrType",
	"sliceType",
	"structType",
}

type visitor struct {
	m map[string]map[string]bool
}

func newVisitor() visitor {
	v := visitor{}