目录lambda函数可传入多个参数与map函数进行使用补充：一个争议总结最近碰见太多次lambda函数了，那就来详细解释一下该函数。
i\' working with Gtk developing some app. I must put s开发者_运维问答ome buttons over a map. I\'m drawing the map on a GtkDrawingarea, but i\'m not able to put buttons over it.
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