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input_engine: std::move InputIdentifier in SetCallback() 

Allows avoiding std::function allocations.
This commit is contained in:
Lioncash 2021-12-13 09:23:19 -05:00
parent 985599e485
commit a92dbec962
1 changed files with 1 additions and 1 deletions
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2
src/input_common/input_engine.cpp
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@ -342,7 +342,7 @@ const std::string& InputEngine::GetEngineName() const {
int InputEngine::SetCallback(InputIdentifier input_identifier) { int InputEngine::SetCallback(InputIdentifier input_identifier) {
std::lock_guard lock{mutex_callback}; std::lock_guard lock{mutex_callback};
callback_list.insert_or_assign(last_callback_key, input_identifier); callback_list.insert_or_assign(last_callback_key, std::move(input_identifier));
return last_callback_key++; return last_callback_key++;
} }