Re: [OT] - A hacker stole $31M of Ether — how it happened, and what it means for Ethereum
Walter Bright via Digitalmars-d
digitalmars-d at puremagic.com
Fri Aug 4 13:52:59 PDT 2017
On 8/4/2017 2:26 AM, Maksim Fomin wrote:
> So, you agree that @safe cannot solve the problem because of C function
> interfaces and 'lack of machine checkable memory safety in C'. In this case, why
> does @safe relies on static analysis in CT and type inference when memory safety
> is determined by the 'C memory sate' at RT? Either @safe is wrongly presented
> (it is not memory safety tool, but something else) or (if the intention was to
> provide memory safety tool) it is a flawed feature.
Every memory safe language that talks to C code (Rust, Java, etc.) has this
issue. Once you step outside the language, guarantees cannot be made. It's not
reasonable to assume otherwise.
> It appears, that scope has its own loopholes too .
>  https://issues.dlang.org/show_bug.cgi?id=17718
All languages have bugs in their implementations. What do you suggest we do
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