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doc: mention smart pointers in Cpp style guide #17055

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@fhinkel fhinkel commented Nov 15, 2017

Add rule for smart pointers, i.e., std::unique_ptr and std::shared_ptr,
to the Cpp style guide. Mostly copied from the Google style guide.

I started changing raw pointers to smart pointers in several C++ files.
std::unique_ptr has almost no overhead compared to raw pointers
and makes the code less error-prone. Are there any objections to
adding the usage of smart pointers as a rule to our style guide?

Ref: #16970
Ref: #16974
Ref: #17000
Ref: #17012
Ref: #17020
Ref: #17030

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This needs to be rebased after #17052 lands (should only be the second commit).

@fhinkel fhinkel added the c++ Issues and PRs that require attention from people who are familiar with C++. label Nov 15, 2017
@nodejs-github-bot nodejs-github-bot added the doc Issues and PRs related to the documentations. label Nov 15, 2017
@@ -1,5 +1,23 @@
# C++ Style Guide

## Table of Contents

* [Left-leaning (C++ style) asterisks for pointer declarations](#left-leaning-c-style-asterisks-for-pointer-declarations)
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Not really need to be done in this PR, but we should probably put these rules into different categories so they would be easier to look up

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Oh, I think #17052 is actually adding ToC there, maybe this PR should not include that change?

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That's kind of why I added a Table of Contents, so folks get an idea of all the rules even if they don't scroll all the way to the bottom. If anybody has a good idea how to order them, I'm all for it.

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Ideally, we have a linter that enforces all the rules 🤣

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@fhinkel Yes, but an easy-to-extend and easy-to-use C++ linter is not easy to come by as their JavaScript counterparts.. I've been looking into clang-tidy while working on #16122, but that requires a compilation database, we do have ninja support that can emit those, still it probably raise the barrier of entry too high for new contributors..

Add rule for smart pointers, i.e., std::unique_ptr and std::shared_ptr,
to the Cpp style guide. Mostly copied from the Google style guide.
@fhinkel fhinkel force-pushed the nov/smart-pointer-guide branch from e5cf1c6 to adadaf8 Compare November 16, 2017 08:59
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fhinkel commented Nov 17, 2017

Landed in 0e1abb1.

@fhinkel fhinkel closed this Nov 17, 2017
fhinkel added a commit that referenced this pull request Nov 17, 2017
Add rule for smart pointers, i.e., std::unique_ptr and std::shared_ptr,
to the Cpp style guide. Mostly copied from the Google style guide.

PR-URL: #17055
Ref: #16970
Ref: #16974
Ref: #17000
Ref: #17012
Ref: #17020
Ref: #17030
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
MylesBorins pushed a commit that referenced this pull request Dec 12, 2017
Add rule for smart pointers, i.e., std::unique_ptr and std::shared_ptr,
to the Cpp style guide. Mostly copied from the Google style guide.

PR-URL: #17055
Ref: #16970
Ref: #16974
Ref: #17000
Ref: #17012
Ref: #17020
Ref: #17030
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
@MylesBorins MylesBorins mentioned this pull request Dec 12, 2017
gibfahn pushed a commit that referenced this pull request Dec 19, 2017
Add rule for smart pointers, i.e., std::unique_ptr and std::shared_ptr,
to the Cpp style guide. Mostly copied from the Google style guide.

PR-URL: #17055
Ref: #16970
Ref: #16974
Ref: #17000
Ref: #17012
Ref: #17020
Ref: #17030
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
@gibfahn gibfahn mentioned this pull request Dec 20, 2017
gibfahn pushed a commit that referenced this pull request Dec 20, 2017
Add rule for smart pointers, i.e., std::unique_ptr and std::shared_ptr,
to the Cpp style guide. Mostly copied from the Google style guide.

PR-URL: #17055
Ref: #16970
Ref: #16974
Ref: #17000
Ref: #17012
Ref: #17020
Ref: #17030
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
@gibfahn gibfahn mentioned this pull request Dec 20, 2017
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