}
	}

	opening := p.expect(token.LPAREN)

	var fields []*ast.Field
	if p.tok != token.RPAREN {
		fields = p.parseParameterList(nil, nil, token.RPAREN)
	}

	rparen := p.expect(token.RPAREN)
	params = &ast.FieldList{Opening: opening, List: fields, Closing: rparen}

	return
}

func (p *parser) parseResult() *ast.FieldList {
	if p.trace {

	if p.trace {
		defer un(trace(p, "Parameters"))
	}

	var params []*ast.Field
	lparen := p.expect(token.LPAREN)
	if p.tok != token.RPAREN {
		params = p.parseParameterList(scope, ellipsisOk)
	}
	rparen := p.expect(token.RPAREN)

	return &ast.FieldList{lparen, params, rparen}
}

func (p *parser) parseResult(scope *ast.Scope) *ast.FieldList {
	if p.trace {
		defer un(trace(p, "Result"))
	}

		if paren {
			p.print(token.RPAREN)
		}

		p.setPos(x.Lparen)
		p.print(token.LPAREN)
		if x.Ellipsis.IsValid() {
			p.exprList(x.Lparen, x.Args, depth, 0, x.Ellipsis, false)
			p.setPos(x.Ellipsis)
			p.print(token.ELLIPSIS)
			if x.Rparen.IsValid() && p.lineFor(x.Ellipsis) < p.lineFor(x.Rparen) {
				p.print(token.COMMA, formfeed)
			}
		} else {