374 - Did you know about C++26 simd proposal (2/N)?

README.md

@@ -17,6 +17,7 @@
 * [Did you know that C++26 added `= delete("should have a reason")`?](https://github.com/tip-of-the-week/cpp/blob/master/tips/371.md)
 * [Did you know that C++26 added `span.at`?](https://github.com/tip-of-the-week/cpp/blob/master/tips/370.md)
 * [Did you know about C++26 simd proposal (1/N)?](https://github.com/tip-of-the-week/cpp/blob/master/tips/367.md)
+* [Did you know about C++26 simd proposal (2/N)?](https://github.com/tip-of-the-week/cpp/blob/master/tips/374.md)
 * [Did you know about C++26 static reflection proposal (1/N)?](https://github.com/tip-of-the-week/cpp/blob/master/tips/361.md)
 * [Did you know about C++26 static reflection proposal (2/N)?](https://github.com/tip-of-the-week/cpp/blob/master/tips/362.md)
 * [Did you know about C++26 static reflection proposal (3/N)?](https://github.com/tip-of-the-week/cpp/blob/master/tips/363.md)

tips/374.md

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+<details open><summary>Info</summary><p>
+
+* **Did you know about C++26 simd proposal (2/N)?**
+
+  * https://wg21.link/P1928
+
+</p></details><details open><summary>Example</summary><p>
+
+```cpp
+int main() {
+  std::array<char, 8> storage{1, 2, 3, 4, 5, 6, 7, 8};
+  std::experimental::fixed_size_simd<char, 8> data{storage.begin(), std::experimental::element_aligned};
+  std::experimental::fixed_size_simd_mask<char, 8> values = (data == 7);
+  std::cout << std::experimental::any_of(values) << std::endl;
+}
+```
+
+> https://godbolt.org/z/3389qGWh6
+
+</p></details><details open><summary>Puzzle</summary><p>
+
+* **Can you implement function find which returns { true: if given element is found; false: otherwise }?**
+
+```cpp
+template<class T, auto Size>
+auto find(const std::array<T, Size>& data, const T value); // TODO
+
+int main() {
+  using namespace ut;
+
+  "simd.find"_test = []() mutable {
+    expect(true_b == find(std::array{1, 2, 3, 4}, 1));
+    expect(true_b == find(std::array{1, 2, 3, 4}, 2));
+    expect(true_b == find(std::array{1, 2, 3, 4}, 3));
+    expect(true_b == find(std::array{1, 2, 3, 4}, 4));
+    expect(false_b == find(std::array{1, 2, 3, 4}, 0));
+    expect(false_b == find(std::array{1, 2, 3, 4}, 6));
+  };
+}
+```
+
+> https://godbolt.org/z/9hqq1nq6z
+
+</p></details>
+
+</p></details><details><summary>Solutions</summary><p>
+
+```cpp
+template<class T, auto Size>
+auto find(const std::array<T, Size>& data, const T value) {
+  const std::experimental::fixed_size_simd<T, Size> lhs{data.begin(), std::experimental::element_aligned};
+  return std::experimental::any_of(lhs == value);
+}
+```
+
+> https://godbolt.org/z/KGPhvM3bY
+
+</p></details>