Digest for comp.lang.c++@googlegroups.com - 3 updates in 3 topics

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• Probably UB but I am finding it hard to give a fuck (C++ swizzle) - 1 Update
• Don't be fooled by cpp.sh - 1 Update
• Union type punning in C++ - 1 Update

Probably UB but I am finding it hard to give a fuck (C++ swizzle)

"Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>: Jan 11 03:08PM -0800 On 12/18/2019 1:34 PM, Mr Flibble wrote: > vec2 v2 = v1.xy; > double z = v1.z; > vec4 v3 = v1.xyzz; [...]   Almost getting enough time to try it out. Its an interesting go at the problem. Fwiw, here is a new animation that can benefit from this in C++:   https://youtu.be/Q6lJqIl-Nvs

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Don't be fooled by cpp.sh

David Brown <david.brown@hesbynett.no>: Jan 11 11:59PM +0100 On 11/01/2020 19:50, Ian Collins wrote:   >> (Of course there will often be stages in development where it is fine to >> check in untested code.)   > Are there?   Of course. Even if you are doing test-driven development, when you are very rigid (some might say "obsessed" or "fanatic") on everything being tested at the earliest possible moment, it is surely possible that you want to store things away in your version control system despite being only half-done.   But if you are using other development methodologies, it is entirely reasonable to untested code checked in. You'd likely put it in a development or private branch rather than a master branch, but you'd still want it checked in if it represents significant effort or if it should be shared with others.

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Union type punning in C++

David Brown <david.brown@hesbynett.no>: Jan 11 11:53PM +0100 On 11/01/2020 16:05, Daniel wrote: >> line-delimited or newline-delimited JSON.   > But what would you have been referring to? This one?   > https://github.com/ndjson/ndjson-spec   That one would be fine. But it is such a simple extension or addition to JSON that it can be described in a paragraph.     > For interoperability it's preferred to refer to an Internet Standards > Document, but it doesn't seem an RFC exists yet for this one.   Yes, it would be nice to see it incorporated as part of the JSON standard. (It is far too simple for the bureaucracy of its own standard, IMHO.)

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