// Shouldn't be any cycles but stop just in case.
			continue
		}
		p.syms[t.Name] = true
		p.collectValues(t.Consts)
		p.collectValues(t.Vars)
		p.collectFuncs(t.Funcs)
		p.collectFuncs(t.Methods)
	}
}

func (p *Package) collectFuncs(funcs []*Func) {
	for _, f := range funcs {
		if f.Recv != "" {
			r := strings.TrimPrefix(f.Recv, "*")
			if i := strings.IndexByte(r, '['); i >= 0 {