Hello,

I want to move my bit operations parser from Js to C(++).

My current problem is that I do not know how to check if the argument is a 
buffer instance.
GetIndexedPropertiesExternalArrayDataType() returns an enum with the types 
but I am not sure what to do with it...

Local<Object> obj = args[0]->ToObject();

if (obj->GetIndexedPropertiesExternalArrayDataType() != kExternalFloatArray) 
return;

Source: https://github.com/joyent/node/issues/4201


https://gist.github.com/bodokaiser/5378187

Bodo

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