[webkit-dev] [Styling] Space between [] and () in C++ lambdas

Ryosuke Niwa rniwa at webkit.org
Fri Nov 1 11:19:27 PDT 2019

Hi all,

There seems to be inconsistency in our coding style with regards to spacing
in lambdas.

Namely, some people write a lambda as:
auto x = [] () { }

with a space between [] and () while others would write it as:

auto x = []() { }

without a space between the two. I'd like to require either style in our
guideline so that things are consistent in our codebase. Which one should
we use?

FWIW, I mildly prefer having a space between [] and ().

- R. Niwa
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