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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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libsolidity/parsing/Parser.cpp
+3 -1
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@@ -874,7 +874,9 @@ ASTPointer<TypeName> Parser::parseTypeName(bool _allowVar)
ASTNodeFactory nodeFactory(*this);
nodeFactory.markEndPosition();
m_scanner->next();
auto stateMutability = boost::make_optional(elemTypeName.token() == Token::Address, StateMutability::NonPayable);
auto stateMutability = elemTypeName.token() == Token::Address
? optional<StateMutability>{StateMutability::NonPayable}
: nullopt;
if (TokenTraits::isStateMutabilitySpecifier(m_scanner->currentToken(), false))
{
if (elemTypeName.token() == Token::Address)