[PATCH] D86473: [clangd] When inserting "using", add "::" in front if that's the style.

[Adam Czachorowski via Phabricator via cfe-commits]

adamcz created this revision.
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Herald added subscribers: cfe-commits, usaxena95, kadircet, arphaman, jkorous.
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We guess the style based on the existing using declarations. If there
are any and they all start with ::, we add it to the newly added one
too.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86473

Files:
  clang-tools-extra/clangd/refactor/tweaks/AddUsing.cpp
  clang-tools-extra/clangd/unittests/TweakTests.cpp

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