[Issue 12980] Undefined behavior: Assignment of static string to dynamic string
via Digitalmars-d-bugs
digitalmars-d-bugs at puremagic.com
Tue Jun 24 04:25:41 PDT 2014
https://issues.dlang.org/show_bug.cgi?id=12980
Jonathan M Davis <jmdavisProg at gmx.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |jmdavisProg at gmx.com
Resolution|--- |INVALID
--- Comment #2 from Jonathan M Davis <jmdavisProg at gmx.com> ---
This code is perfectly legal. It just isn't safe. And if @safe were properly
implemented with regards to slicing static arrays, and you marked your code
here with @safe, then the compiler would generate an error when the static
array was sliced. Unfortunately however, slicing static arrays is currently a
hole in @safe:
https://issues.dlang.org/show_bug.cgi?id=8838
But regardless, there's no bug in the language in your example, just in your
code. It's not marked with @safe, so it's @system, so even if bug# 8838 were
fixed, your code would still compile, because @system code is not checked for
memory safety, and it's perfectly possible to do unsafe things with memory in
@system code.
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