Optimize subgames search a little bit (#8096)

osjc · nerzhul · commit 6e37fdc21d3f · 2019-01-18T10:47:50.000+01:00
Reserve space for the list of games in findWorldSubgame. The
performance gain is pretty much negligible but this change
also gets rid of a performance warning by CLANG TIDY.
diff --git a/src/content/subgames.cpp b/src/content/subgames.cpp
@@ -195,6 +195,7 @@ std::vector<SubgameSpec> getAvailableGames()
 {
 	std::vector<SubgameSpec> specs;
 	std::set<std::string> gameids = getAvailableGameIds();
+	specs.reserve(gameids.size());
 	for (const auto &gameid : gameids)
 		specs.push_back(findSubgame(gameid));
 	return specs;

Original file line number	Diff line number	Diff line change
`@@ -195,6 +195,7 @@ std::vector<SubgameSpec> getAvailableGames()`
`195`	`195`	`{`
`196`	`196`	`std::vector<SubgameSpec> specs;`
`197`	`197`	`std::set<std::string> gameids = getAvailableGameIds();`
	`198`	`+ specs.reserve(gameids.size());`
`198`	`199`	`for (const auto &gameid : gameids)`
`199`	`200`	`specs.push_back(findSubgame(gameid));`
`200`	`201`	`return specs;`