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AK: Sprinkle [[nodiscard]] on AK::Array

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This commit is contained in:
Andreas Kling 2021-07-21 18:22:10 +02:00
parent 4b0498e38b
commit 8ea029405f
1 changed files with 23 additions and 23 deletions
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46
AK/Array.h
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@ -13,50 +13,50 @@ namespace AK {
template<typename T, size_t Size> template<typename T, size_t Size>
struct Array { struct Array {
constexpr T const* data() const { return __data; } [[nodiscard]] constexpr T const* data() const { return __data; }
constexpr T* data() { return __data; } [[nodiscard]] constexpr T* data() { return __data; }
constexpr size_t size() const { return Size; } [[nodiscard]] constexpr size_t size() const { return Size; }
constexpr Span<T const> span() const { return { __data, Size }; } [[nodiscard]] constexpr Span<T const> span() const { return { __data, Size }; }
constexpr Span<T> span() { return { __data, Size }; } [[nodiscard]] constexpr Span<T> span() { return { __data, Size }; }
constexpr T const& at(size_t index) const [[nodiscard]] constexpr T const& at(size_t index) const
{ {
VERIFY(index < size()); VERIFY(index < size());
return __data[index]; return __data[index];
} }
constexpr T& at(size_t index) [[nodiscard]] constexpr T& at(size_t index)
{ {
VERIFY(index < size()); VERIFY(index < size());
return __data[index]; return __data[index];
} }
constexpr T const& front() const { return at(0); } [[nodiscard]] constexpr T const& front() const { return at(0); }
constexpr T& front() { return at(0); } [[nodiscard]] constexpr T& front() { return at(0); }
constexpr T const& back() const { return at(max(1, size()) - 1); } [[nodiscard]] constexpr T const& back() const { return at(max(1, size()) - 1); }
constexpr T& back() { return at(max(1, size()) - 1); } [[nodiscard]] constexpr T& back() { return at(max(1, size()) - 1); }
constexpr bool is_empty() const { return size() == 0; } [[nodiscard]] constexpr bool is_empty() const { return size() == 0; }
constexpr T const& operator[](size_t index) const { return at(index); } [[nodiscard]] constexpr T const& operator[](size_t index) const { return at(index); }
constexpr T& operator[](size_t index) { return at(index); } [[nodiscard]] constexpr T& operator[](size_t index) { return at(index); }
template<typename T2, size_t Size2> template<typename T2, size_t Size2>
constexpr bool operator==(Array<T2, Size2> const& other) const { return span() == other.span(); } [[nodiscard]] constexpr bool operator==(Array<T2, Size2> const& other) const { return span() == other.span(); }
using ConstIterator = SimpleIterator<Array const, T const>; using ConstIterator = SimpleIterator<Array const, T const>;
using Iterator = SimpleIterator<Array, T>; using Iterator = SimpleIterator<Array, T>;
constexpr ConstIterator begin() const { return ConstIterator::begin(*this); } [[nodiscard]] constexpr ConstIterator begin() const { return ConstIterator::begin(*this); }
constexpr Iterator begin() { return Iterator::begin(*this); } [[nodiscard]] constexpr Iterator begin() { return Iterator::begin(*this); }
constexpr ConstIterator end() const { return ConstIterator::end(*this); } [[nodiscard]] constexpr ConstIterator end() const { return ConstIterator::end(*this); }
constexpr Iterator end() { return Iterator::end(*this); } [[nodiscard]] constexpr Iterator end() { return Iterator::end(*this); }
constexpr operator Span<T const>() const { return span(); } [[nodiscard]] constexpr operator Span<T const>() const { return span(); }
constexpr operator Span<T>() { return span(); } [[nodiscard]] constexpr operator Span<T>() { return span(); }
constexpr size_t fill(T const& value) constexpr size_t fill(T const& value)
{ {
@ -66,7 +66,7 @@ struct Array {
return Size; return Size;
} }
constexpr T max() requires(requires(T x, T y) { x < y; }) [[nodiscard]] constexpr T max() requires(requires(T x, T y) { x < y; })
{ {
static_assert(Size > 0, "No values to max() over"); static_assert(Size > 0, "No values to max() over");
@ -76,7 +76,7 @@ struct Array {
return value; return value;
} }
constexpr T min() requires(requires(T x, T y) { x > y; }) [[nodiscard]] constexpr T min() requires(requires(T x, T y) { x > y; })
{ {
static_assert(Size > 0, "No values to min() over"); static_assert(Size > 0, "No values to min() over");