[Issue 8471] std.stdio.readf should be @trusted

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8471

--- Comment #13 from Jakub Łabaj <uaaabbjjkl at gmail.com> ---
I understand now, thanks!

You can find my profile here: https://github.com/byebye. I've create a simple
PR:  https://github.com/dlang/phobos/pull/5040 for similar issue involving
formattedRead, where I was wondering if I should restrict arguments to
pointers. So it seems the solution would be exactly the same in both cases.

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