pkg go/types, method (*Named) SetTypeParams([]*TypeParam)
pkg go/types, method (*Named) TypeArgs() *TypeList
pkg go/types, method (*Named) TypeParams() *TypeParamList
pkg go/types, method (*Signature) RecvTypeParams() *TypeParamList
pkg go/types, method (*Signature) TypeParams() *TypeParamList
pkg go/types, method (*Term) String() string
pkg go/types, method (*Term) Tilde() bool
pkg go/types, method (*Term) Type() Type

pkg go/types, method (*Alias) Rhs() Type #66559
pkg go/types, method (*Alias) SetTypeParams([]*TypeParam) #67143
pkg go/types, method (*Alias) TypeArgs() *TypeList #67143
pkg go/types, method (*Alias) TypeParams() *TypeParamList #67143
pkg go/types, method (*Func) Signature() *Signature #65772
pkg iter, func Pull2[$0 interface{}, $1 interface{}](Seq2[$0, $1]) (func() ($0, $1, bool), func()) #61897

		buf.WriteByte(' ')
		w.writeType(buf, res.At(0).Type())
	default:
		buf.WriteByte(' ')
		w.writeParams(buf, res, false)
	}
}

func (w *Walker) writeTypeParams(buf *bytes.Buffer, tparams *types.TypeParamList, withConstraints bool) {
	buf.WriteByte('[')
	c := tparams.Len()
	for i := 0; i < c; i++ {
		if i > 0 {
			buf.WriteString(", ")
		}
		tp := tparams.At(i)
		w.writeType(buf, tp)