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initial impl of P1976R2

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This commit is contained in:
Jordan Maples
2020-05-19 16:27:46 -07:00
parent 1999b48a51
commit 2085c7acde
6 changed files with 1267 additions and 1241 deletions
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tests/span_tests.cpp
+3 -3
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@@ -157,7 +157,7 @@ TEST(span_test, from_pointer_length_constructor)
for (int i = 0; i < 4; ++i)
{
{
span<int> s = {&arr[0], narrow_cast<std::size_t>(i)};
span<int> s = span<int>(&arr[0], narrow_cast<std::size_t>(i));
EXPECT_TRUE(s.size() == narrow_cast<std::size_t>(i));
EXPECT_TRUE(s.data() == &arr[0]);
EXPECT_TRUE(s.empty() == (i == 0));
@@ -165,7 +165,7 @@ TEST(span_test, from_pointer_length_constructor)
EXPECT_TRUE(arr[j] == s[narrow_cast<std::size_t>(j)]);
}
{
span<int> s = {&arr[i], 4 - narrow_cast<std::size_t>(i)};
span<int> s = span<int>(&arr[i], 4 - narrow_cast<std::size_t>(i));
EXPECT_TRUE(s.size() == 4 - narrow_cast<std::size_t>(i));
EXPECT_TRUE(s.data() == &arr[i]);
EXPECT_TRUE(s.empty() == ((4 - i) == 0));
@@ -678,7 +678,7 @@ TEST(span_test, from_array_constructor)
s2 = s1;
EXPECT_TRUE(s2.empty());
auto get_temp_span = [&]() -> span<int> { return {&arr[1], 2}; };
auto get_temp_span = [&]() -> span<int> { return span<int>(&arr[1], 2); };
auto use_span = [&](span<const int> s) {
EXPECT_TRUE(s.size() == 2);
EXPECT_TRUE(s.data() == &arr[1]);