fix(arc1): Passively introduce attributes (#429)

Ensure that std::sync::Arc is actually used, as this exercise can be compiled using things already learnt in previous exercises.
pull/445/head
Alexx Roche 4 years ago committed by GitHub
parent c6295ade33
commit 113cdae2d4
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@ -6,6 +6,7 @@
// I AM NOT DONE
#![forbid(unused_imports)] // Do not change this, (or the next) line.
use std::sync::Arc;
use std::thread;

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