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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/wasm/WordSizeTransform.cpp
+9 -9
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@@ -82,7 +82,7 @@ void WordSizeTransform::operator()(Block& _block)
{
iterateReplacing(
_block.statements,
[&](Statement& _s) -> boost::optional<vector<Statement>>
[&](Statement& _s) -> std::optional<vector<Statement>>
{
if (_s.type() == typeid(VariableDeclaration))
{
@@ -95,7 +95,7 @@ void WordSizeTransform::operator()(Block& _block)
{
if (varDecl.value) visit(*varDecl.value);
rewriteVarDeclList(varDecl.variables);
return boost::none;
return std::nullopt;
}
else if (
varDecl.value->type() == typeid(Identifier) ||
@@ -114,7 +114,7 @@ void WordSizeTransform::operator()(Block& _block)
std::move(newRhs[i])
}
);
return ret;
return {std::move(ret)};
}
else
yulAssert(false, "");
@@ -130,7 +130,7 @@ void WordSizeTransform::operator()(Block& _block)
{
if (assignment.value) visit(*assignment.value);
rewriteIdentifierList(assignment.variableNames);
return boost::none;
return std::nullopt;
}
else if (
assignment.value->type() == typeid(Identifier) ||
@@ -149,7 +149,7 @@ void WordSizeTransform::operator()(Block& _block)
std::move(newRhs[i])
}
);
return ret;
return {std::move(ret)};
}
else
yulAssert(false, "");
@@ -158,7 +158,7 @@ void WordSizeTransform::operator()(Block& _block)
return handleSwitch(boost::get<Switch>(_s));
else
visit(_s);
return boost::none;
return std::nullopt;
}
);
}
@@ -174,7 +174,7 @@ void WordSizeTransform::rewriteVarDeclList(TypedNameList& _nameList)
{
iterateReplacing(
_nameList,
[&](TypedName const& _n) -> boost::optional<TypedNameList>
[&](TypedName const& _n) -> std::optional<TypedNameList>
{
TypedNameList ret;
for (auto newName: generateU64IdentifierNames(_n.name))
@@ -188,7 +188,7 @@ void WordSizeTransform::rewriteIdentifierList(vector<Identifier>& _ids)
{
iterateReplacing(
_ids,
[&](Identifier const& _id) -> boost::optional<vector<Identifier>>
[&](Identifier const& _id) -> std::optional<vector<Identifier>>
{
vector<Identifier> ret;
for (auto newId: m_variableMapping.at(_id.name))
@@ -202,7 +202,7 @@ void WordSizeTransform::rewriteFunctionCallArguments(vector<Expression>& _args)
{
iterateReplacing(
_args,
[&](Expression& _e) -> boost::optional<vector<Expression>>
[&](Expression& _e) -> std::optional<vector<Expression>>
{
return expandValueToVector(_e);
}