[PATCH] D151187: [doc] Add casting style preference to coding standards

[James Henderson via Phabricator via llvm-commits]

jhenderson updated this revision to Diff 525037.
jhenderson marked 6 inline comments as done.
jhenderson added a comment.

Add `const_cast` reference.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151187/new/

https://reviews.llvm.org/D151187

Files:
  llvm/docs/CodingStandards.rst


Index: llvm/docs/CodingStandards.rst
===================================================================
--- llvm/docs/CodingStandards.rst
+++ llvm/docs/CodingStandards.rst
@@ -1263,6 +1263,14 @@
   bool NewToSet = Myset.insert(Value); (void)NewToSet;
   assert(NewToSet && "The value shouldn't be in the set yet");
 
+Prefer C++-style casts
+^^^^^^^^^^^^^^^^^^^^^^
+
+When casting, use ``static_cast``, ``reinterpret_cast``, and ``const_cast``
+rather than C-style casts. The sole exception to this is when casting to void to
+suppress warnings about unused variables (as an alternative to
+``[[maybe_unused]]``), when C-style casts should be preferred instead.
+
 Do Not Use ``using namespace std``
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 


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