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common: Make use of [[nodiscard]] where applicable

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Now that clang-format makes [[nodiscard]] attributes format sensibly, we
can apply them to several functions within the common library to allow
the compiler to complain about any misuses of the functions.
This commit is contained in:
Lioncash
2020-08-14 09:38:45 -04:00
parent 2b601e8636
commit df72480395
34 changed files with 343 additions and 358 deletions
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14
src/common/uuid.h
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@ -19,21 +19,21 @@ struct UUID {
constexpr explicit UUID(const u128& id) : uuid{id} {}
constexpr explicit UUID(const u64 lo, const u64 hi) : uuid{{lo, hi}} {}
constexpr explicit operator bool() const {
[[nodiscard]] constexpr explicit operator bool() const {
return uuid[0] != INVALID_UUID[0] && uuid[1] != INVALID_UUID[1];
}
constexpr bool operator==(const UUID& rhs) const {
[[nodiscard]] constexpr bool operator==(const UUID& rhs) const {
// TODO(DarkLordZach): Replace with uuid == rhs.uuid with C++20
return uuid[0] == rhs.uuid[0] && uuid[1] == rhs.uuid[1];
}
constexpr bool operator!=(const UUID& rhs) const {
[[nodiscard]] constexpr bool operator!=(const UUID& rhs) const {
return !operator==(rhs);
}
// TODO(ogniK): Properly generate uuids based on RFC-4122
static UUID Generate();
[[nodiscard]] static UUID Generate();
// Set the UUID to {0,0} to be considered an invalid user
constexpr void Invalidate() {
@ -41,12 +41,12 @@ struct UUID {
}
// TODO(ogniK): Properly generate a Nintendo ID
constexpr u64 GetNintendoID() const {
[[nodiscard]] constexpr u64 GetNintendoID() const {
return uuid[0];
}
std::string Format() const;
std::string FormatSwitch() const;
[[nodiscard]] std::string Format() const;
[[nodiscard]] std::string FormatSwitch() const;
};
static_assert(sizeof(UUID) == 16, "UUID is an invalid size!");