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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"How to inherit from new Buffer implementation","articleBody":"Hi,\nI would like to know how a class could inherit from the new Buffer implementation.\n\nI'm trying to upgrade the [node-ogg module](https://github.com/TooTallNate/node-ogg) for node v4 and nan v2.\n([Here is my work so far](https://github.com/corentingurtner/node-ogg/tree/upgrade-nan))\n\nI tried this classic inheritance model: \n\n``` javascript\nfunction ogg_packet (buffer) {\n  if (!Buffer.isBuffer(buffer)) {\n    Buffer.call(this, binding.sizeof_ogg_packet);\n  } else {\n    Buffer.call(this, buffer);\n  }\n  if (this.length != binding.sizeof_ogg_packet) {\n    throw new Error('\"buffer.length\" = ' + this.length + ', expected ' + binding.sizeof_ogg_packet);\n  }\n}\ninherits(ogg_packet, Buffer);\n```\n\nBut I get this error when trying to access _this.length_ : \n\n```\nUncaught TypeError: Method Uint8Array.length called on incompatible receiver [object Object]\n```\n\nThanks\n\nNote: I also asked the question on SO:\nhttp://stackoverflow.com/questions/32555714\n","author":{"url":"https://github.com/corentingurtner","@type":"Person","name":"corentingurtner"},"datePublished":"2015-09-15T17:33:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":18},"url":"https://github.com/2882/node/issues/2882"}