pos := p.expect(token.FUNC)
	scope := ast.NewScope(p.topScope) // function scope
	params, results := p.parseSignature(scope)

	return &ast.FuncType{pos, params, results}, scope
}

func (p *parser) parseMethodSpec(scope *ast.Scope) *ast.Field {
	if p.trace {
		defer un(trace(p, "MethodSpec"))
	}

	doc := p.leadComment
	var idents []*ast.Ident
	var typ ast.Expr
	x := p.parseTypeName()

		p.error(tparams.Pos(), "function type must have no type parameters")
	}
	results := p.parseResult()

	return &ast.FuncType{Func: pos, Params: params, Results: results}
}

func (p *parser) parseMethodSpec() *ast.Field {
	if p.trace {
		defer un(trace(p, "MethodSpec"))
	}

	doc := p.leadComment
	var idents []*ast.Ident
	var typ ast.Expr
	x := p.parseTypeName(nil)