[llvm-dev] Is ArrayRef supposed to be immutable?

Daniel Berlin via llvm-dev llvm-dev at lists.llvm.org
Sat Sep 30 17:21:43 PDT 2017

It seems like ArrayRefs are supposed to be immutable (
However, as far as i can tell, the iterators are defined wrong to make this

ArrayRef<int> Foo(Something);
Foo[0] = 5;

will give a compile time error.

something like:

ArrayRef<int> Foo(Something);
std::sort(Foo.begin(), Foo.end());

Will work fine.

Is this expected?

(FWIW: I expected this to only work with a MutableArrayRef)
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