[import_granularity] Allow formatting of use behind #[cfg*]
#6723
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Fix rust-lang#6666 We would like to allow formatting items with attributes that conceptually allows outer styling as well. Signed-off-by: Xiangfei Ding <dingxiangfei2009@protonmail.ch>
use behind #[cfg*]import_granularity: Allow formatting of use behind #[cfg*]
import_granularity: Allow formatting of use behind #[cfg*]import_granularity] Allow formatting of use behind #[cfg*]
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Fix #6666
Related to #4991
This patch fixes the issue that
import_granularitydoes not applyimport_granuaritytouses behind attributes known to the compiler that the out coding style applies transparently. Attributes like#[cfg],#[cfg_attr],#[warn],#[deny],#[allow].We achieve this by temporarily swap out the default use tree and merge sub-items in a temporary use tree. This tree is then later merged back into the default use tree, with the original attributes grandfathered.