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[ox/std] Add Result::orVal

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This commit is contained in:
Gary Talent 2023-12-23 17:52:20 -06:00
parent 319fbb2600
commit 45ec39f77b
1 changed files with 48 additions and 0 deletions
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48
deps/ox/src/ox/std/error.hpp vendored
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@ -264,6 +264,54 @@ struct [[nodiscard]] Result {
return f(std::move(value)); return f(std::move(value));
} }
/**
* Returns parameter alt if Result contains an error.
* @param alt
* @return value of Result or alt
*/
constexpr T orVal(T &&alt) & noexcept {
if (error) {
return std::move(alt);
}
return value;
}
/**
* Returns parameter alt if Result contains an error.
* @param alt
* @return value of Result or alt
*/
constexpr T orVal(T &&alt) && noexcept {
if (error) {
return std::move(alt);
}
return std::move(value);
}
/**
* Returns parameter alt if Result contains an error.
* @param alt
* @return value of Result or alt
*/
constexpr T orVal(T const&alt) & noexcept {
if (error) {
return alt;
}
return value;
}
/**
* Returns parameter alt if Result contains an error.
* @param alt
* @return value of Result or alt
*/
constexpr T orVal(T const&alt) && noexcept {
if (error) {
return alt;
}
return std::move(value);
}
}; };
namespace detail { namespace detail {