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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/backends/evm/EVMCodeTransform.cpp
+2 -4
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@@ -723,9 +723,7 @@ void CodeTransform::visitExpression(Expression const& _expression)
void CodeTransform::visitStatements(vector<Statement> const& _statements)
{
// Workaround boost bug:
// https://www.boost.org/doc/libs/1_63_0/libs/optional/doc/html/boost_optional/tutorial/gotchas/false_positive_with__wmaybe_uninitialized.html
boost::optional<AbstractAssembly::LabelID> jumpTarget = boost::make_optional(false, AbstractAssembly::LabelID());
std::optional<AbstractAssembly::LabelID> jumpTarget = std::nullopt;
for (auto const& statement: _statements)
{
@@ -740,7 +738,7 @@ void CodeTransform::visitStatements(vector<Statement> const& _statements)
else if (!functionDefinition && jumpTarget)
{
m_assembly.appendLabel(*jumpTarget);
jumpTarget = boost::none;
jumpTarget = std::nullopt;
}
boost::apply_visitor(*this, statement);