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Add support for delete operator on UDVT #14633

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Add support for delete operator on UDVT #14633

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34496ca
Add support for delete operator on UDVT
xBA5ED Oct 19, 2023
39e7491
test: add semantic test for UDVT delete operator
xBA5ED Oct 31, 2023
21438dc
Add support for delete operator on UDVT
xBA5ED Oct 19, 2023
d763c46
test: add semantic test for UDVT delete operator
xBA5ED Oct 31, 2023
61bcef0
Merge branch 'support-udvt-delete' of github.com:xBA5ED/solidity into…
xBA5ED Oct 31, 2023
3792fd2
docs: add UDVT delete operator to the changelog
xBA5ED Oct 31, 2023
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Add support for delete operator on UDVT
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@xBA5ED
xBA5ED committed Oct 19, 2023
commit 34496ca8c3ca8bbdf50f4625ead766d5fdeed63e
5 changes: 5 additions & 0 deletions libsolidity/ast/Types.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2677,6 2677,11 @@ bool UserDefinedValueType::operator==(Type const& _other) const
return other.definition() == definition();
}

TypeResult UserDefinedValueType::unaryOperatorResult(Token _operator) const
{
return _operator == Token::Delete ? TypeProvider::emptyTuple() : nullptr;
}

std::string UserDefinedValueType::toString(bool /* _withoutDataLocation */) const
{
return *definition().annotation().canonicalName;
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1 change: 1 addition & 0 deletions libsolidity/ast/Types.h
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Expand Up @@ -1138,6 1138,7 @@ class UserDefinedValueType: public Type
{}

Category category() const override { return Category::UserDefinedValueType; }
TypeResult unaryOperatorResult(Token _operator) const override;
Type const& underlyingType() const;
UserDefinedValueTypeDefinition const& definition() const { return m_definition; }

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5 changes: 5 additions & 0 deletions test/libsolidity/syntaxTests/userDefinedValueType/delete.sol
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@@ -0,0 1,5 @@
type MyInt is int;
function f() pure {
MyInt i = MyInt.wrap(1);
delete i;
}