What kind of object does @[obj1, obj2] create?

Question

I came across the following:

NSArray *array = @[object1, object2];

It seems to be creating an NSArray, but is this array insta

Answer 1

It's the new llvm compiler's literal for creating an array. The compiler changes this to:

NSArray *array = [NSArray arrayWithObjects: object1,object2,nil];

So it is returning an autoreleased object.

A Google search brought up further info:

http://clang.llvm.org/docs/ObjectiveCLiterals.html