[Issue 17420] std.format.formatObject doesn't work with @safe toString specialization

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17420

--- Comment #2 from Jack Stouffer <jack at jackstouffer.com> ---
(In reply to Nick Treleaven from comment #1)
> I think you mean formatValue rather than formatObject:
> 
> https://dlang.org/phobos/std_format.html#.formatValue.10

No, I meant formatObject
https://github.com/dlang/phobos/blob/9a66a6a0647c17d61f551581967abb63aae02545/std/format.d#L3345

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