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Make use of C++17 std::optional<> instead of boost::optional<>.

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This commit is contained in:
Christian Parpart
2019-10-28 11:39:30 +01:00
parent 302a51a58c
commit df729b3084
67 changed files with 173 additions and 168 deletions
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libyul/optimiser/ExpressionSplitter.cpp
+2 -2
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@@ -85,8 +85,8 @@ void ExpressionSplitter::operator()(Block& _block)
vector<Statement> saved;
swap(saved, m_statementsToPrefix);
function<boost::optional<vector<Statement>>(Statement&)> f =
[&](Statement& _statement) -> boost::optional<vector<Statement>> {
function<std::optional<vector<Statement>>(Statement&)> f =
[&](Statement& _statement) -> std::optional<vector<Statement>> {
m_statementsToPrefix.clear();
visit(_statement);
if (m_statementsToPrefix.empty())