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dcc3842535
This improves support for initializing instances of `std::optional` from Swift. Previously only a null optional could be initialized directly from Swift. Now instantiations of `std::optional` will get a Swift initializer that takes the wrapped value as a parameter. rdar://118026392
36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
#ifndef TEST_INTEROP_CXX_STDLIB_INPUTS_STD_OPTIONAL_H
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#define TEST_INTEROP_CXX_STDLIB_INPUTS_STD_OPTIONAL_H
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#include <optional>
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#include <string>
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using StdOptionalInt = std::optional<int>;
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using StdOptionalBool = std::optional<bool>;
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using StdOptionalString = std::optional<std::string>;
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using StdOptionalOptionalInt = std::optional<std::optional<int>>;
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struct HasConstexprCtor {
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int value;
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constexpr HasConstexprCtor(int value) : value(value) {}
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constexpr HasConstexprCtor(const HasConstexprCtor &other) = default;
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constexpr HasConstexprCtor(HasConstexprCtor &&other) = default;
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};
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using StdOptionalHasConstexprCtor = std::optional<HasConstexprCtor>;
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struct HasDeletedMoveCtor {
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int value;
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HasDeletedMoveCtor(int value) : value(value) {}
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HasDeletedMoveCtor(const HasDeletedMoveCtor &other) : value(other.value) {}
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HasDeletedMoveCtor(HasDeletedMoveCtor &&other) = delete;
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};
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using StdOptionalHasDeletedMoveCtor = std::optional<HasDeletedMoveCtor>;
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inline StdOptionalInt getNonNilOptional() { return {123}; }
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inline StdOptionalInt getNilOptional() { return {std::nullopt}; }
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inline bool takesOptionalInt(std::optional<int> arg) { return (bool)arg; }
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inline bool takesOptionalString(std::optional<std::string> arg) { return (bool)arg; }
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#endif // TEST_INTEROP_CXX_STDLIB_INPUTS_STD_OPTIONAL_H
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