[Issue 13658] Array length type is not size_t

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13658

--- Comment #1 from Sobirari Muhomori <dfj1esp02 at sneakemail.com> ---
size_t is not always ulong, it's uint in 32-bit mode and ulong in 64-bit mode.

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