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use drain_filter instead of filter and retain

This commit is contained in:
Takayuki Maeda 2021-09-25 11:33:53 +09:00
parent 353d6373ff
commit 4c23905515
2 changed files with 2 additions and 4 deletions

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@ -10,6 +10,7 @@
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![feature(box_patterns)]
#![feature(drain_filter)]
#![feature(bool_to_option)]
#![feature(crate_visibility_modifier)]
#![feature(format_args_capture)]