https://issues.dlang.org/show_bug.cgi?id=5995

briancschott@gmail.com changed:

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                 CC|                            |briancschott@gmail.com

--- Comment #9 from briancschott@gmail.com ---
Still present in 2.065.

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https://issues.dlang.org/show_bug.cgi?id=5995

hsteoh@quickfur.ath.cx changed:

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--- Comment #10 from hsteoh@quickfur.ath.cx ---
Still present in git HEAD (2.067b).

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https://issues.dlang.org/show_bug.cgi?id=5995

--- Comment #11 from hsteoh@quickfur.ath.cx ---
Should appending invalid codepoints append the Unicode replacement character instead?

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https://issues.dlang.org/show_bug.cgi?id=5995

--- Comment #12 from Steven Schveighoffer <schveiguy@yahoo.com> ---
(In reply to hsteoh from comment #11)
> Should appending invalid codepoints append the Unicode replacement character instead?

I think implicit casting of int to dchar should be invalid altogether. See my 2011 comment.

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https://issues.dlang.org/show_bug.cgi?id=5995

erictsau@gmail.com changed:

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                 CC|                            |erictsau@gmail.com

--- Comment #13 from erictsau@gmail.com ---
Still present in 2.067

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https://issues.dlang.org/show_bug.cgi?id=5995

Andrei Alexandrescu <andrei@erdani.com> changed:

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           Keywords|                            |bootcamp
                 CC|                            |andrei@erdani.com

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https://issues.dlang.org/show_bug.cgi?id=5995

Lucia Cojocaru <lucia.mcojocaru@gmail.com> changed:

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--- Comment #14 from Lucia Cojocaru <lucia.mcojocaru@gmail.com> ---
This is a problem in the compiler.

https://github.com/dlang/dmd/blob/master/src/dcast.d#L66 https://github.com/dlang/dmd/blob/master/src/mtype.d#L4150

I will open a PR shortly to disable implicit cast of int -> dchar. Should we disable the implicit cast of all integral types to chars? For example, is it expected to make an implicit cast from uint to dchar?

(The compiler itself seems to rely on implicit casts of unit -> dchar. Compiling the compiler with this cast disabled produces some errors.)


This is also enabled: bool -> dchar. Not sure if it is desirable. Expression.implicitCastTo(z of type bool) => dchar

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https://issues.dlang.org/show_bug.cgi?id=5995

Lucia Cojocaru <lucia.mcojocaru@gmail.com> changed:

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          Component|druntime                    |dmd

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https://issues.dlang.org/show_bug.cgi?id=5995

Lucia Cojocaru <lucia.mcojocaru@gmail.com> changed:

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           Assignee|nobody@puremagic.com        |lucia.mcojocaru@gmail.com

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https://issues.dlang.org/show_bug.cgi?id=5995

--- Comment #15 from Steven Schveighoffer <schveiguy@yahoo.com> ---
Lucia, I think nothing should implicitly cast to dchar. Not bool, int, or even char or wchar. But something this drastic needs approval from Walter and Andrei.

Of course, we definitely need a deprecation step before completely banning it -- this will certainly break a lot of code.

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