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add Copy to Moment type (#3476)

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* add Copy to Moment type

* bump version

* add Copy to support::Traits::Time::Moment and removed few clones
This commit is contained in:
Xiliang Chen
2019-08-25 22:57:31 +12:00
committed by Bastian Köcher
parent 672e62fe0f
commit da03850eed
6 changed files with 11 additions and 11 deletions
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substrate/srml/staking/src/lib.rs
+1 -1
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@@ -1179,7 +1179,7 @@ impl<T: Trait> Module<T> {
let rewards = CurrentEraRewards::take();
let now = T::Time::now();
let previous_era_start = <CurrentEraStart<T>>::mutate(|v| {
rstd::mem::replace(v, now.clone())
rstd::mem::replace(v, now)
});
let era_duration = now - previous_era_start;
if !era_duration.is_zero() {