[Issue 6644] std.stdio write/writef(ln) are not @trusted

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=6644

--- Comment #1 from Sobirari Muhomori <dfj1esp02 at sneakemail.com> ---
writeln will call toString on arguments, which may not be trusted.

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