[libcxx-commits] [libcxx] [libcxx] Optimize std::generate for segmented iterators (PR #163006)

[A. Jiang via libcxx-commits]

================
@@ -16,50 +16,54 @@
 
 #include <algorithm>
 #include <cassert>
+#include <deque>
 
 #include "test_macros.h"
 #include "test_iterators.h"
 
-struct gen_test
-{
-    TEST_CONSTEXPR int operator()() const {return 1;}
+struct gen_test {
+  TEST_CONSTEXPR int operator()() const { return 1; }
 };
 
-
 #if TEST_STD_VER > 17
 TEST_CONSTEXPR bool test_constexpr() {
-    int ia[] = {0, 1, 2, 3, 4};
+  int ia[] = {0, 1, 2, 3, 4};
 
-    std::generate(std::begin(ia), std::end(ia), gen_test());
+  std::generate(std::begin(ia), std::end(ia), gen_test());
 
-    return std::all_of(std::begin(ia), std::end(ia), [](int x) { return x == 1; })
-        ;
-    }
+  return std::all_of(std::begin(ia), std::end(ia), [](int x) { return x == 1; });
+}
 #endif
 
-
 template <class Iter>
-void
-test()
-{
-    const unsigned n = 4;
-    int ia[n] = {0};
-    std::generate(Iter(ia), Iter(ia+n), gen_test());
-    assert(ia[0] == 1);
-    assert(ia[1] == 1);
-    assert(ia[2] == 1);
-    assert(ia[3] == 1);
+void test() {
+  const unsigned n = 4;
+  int ia[n]        = {0};
+  std::generate(Iter(ia), Iter(ia + n), gen_test());
+  assert(ia[0] == 1);
+  assert(ia[1] == 1);
+  assert(ia[2] == 1);
+  assert(ia[3] == 1);
+}
+
+void deque_test() {
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frederick-vs-ja wrote:

Can we avoid formatting other functions? ("Format Selection" in VSCode can be used.)

https://github.com/llvm/llvm-project/pull/163006