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Add changelog for #16334 (#16470)

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Nick Treleaven 2024-05-10 16:03:18 +01:00 • committed by GitHub
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`foreach` on a dynamic array can have an index type smaller than `size_t`
The array length is known at compile-time for the following cases:
* The array is a literal
* The array is a slice expression whose upper bound is known at
compile-time
For an array `a`, the index type can be any integer type `I` where
`a.length <= I.max`.
Other cases [are not implemented](https://issues.dlang.org/show_bug.cgi?id=24542) yet.