C++17 feature proposal: If statement with initializer

[Andrew Rayskiy]

Hi everyone,

I'd like to propose one of my favourite C++17 features: https://chromium.googlesource.com/chromium/src/+/main/styleguide/c++/c++11.md#selection-statements-with-initializer-tbd

The use-cases and reasoning are nicely justified in the initial std proposal: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0305r0.html

With that in mind, I'm nominating this to be allowed in the Chromium codebase.

Looking forward to your opinions!

Andrew

[Peter Kasting]

+1

PK

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[Amr Aboelkher]

+1

[Roland Bock]

+1

This is one of my favorite C++17 features as well (great for reducing scope pollution).

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[Avi Drissman]

+1

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[Jeremy Roman]

+1; nice quality of life feature without major drawbacks.

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[Peter Kasting]

This seems non-controversial, so I suggest writing a CL to move it to the "approved" section (and maybe convert one or two uses in the codebase to use it).  I'm happy to review.

PK

[Andrew Rayskiy]

Please take a look at crrev/c/3360661 then :)