safety: null checks
Ola Fosheim Grostad
ola.fosheim.grostad at gmail.com
Mon Nov 23 01:29:12 UTC 2020
On Monday, 23 November 2020 at 01:04:38 UTC, Paul Backus wrote:
> Please show me the definition of null that requires it to be
null points to nothing, that is not a valid value for the
> Please show me the relevant definitions of these terms and
> explain how they contradict.
What do mean? A crash is by definition undefined behaviour.
The spec does not provide adequate definitions and requirements,
which is what makes it unsound.
> The implementation allows undefined behavior in @safe code.
> That means the implementation is incorrect, period. Neither of
> the possible interpretations of the spec allow this.
The spec isn't well defined or consistent just because people
claim things in the forum.
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