para/GSL
1
0
Fork 0
mirror of https://github.com/microsoft/GSL.git synced 2024-11-03 17:56:43 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Adds gsl::span::at()

Browse Source 
As per this discussion:
https://github.com/Microsoft/GSL/issues/402

This patch adds support for at() to gsl::span
This commit is contained in:
Rian Quinn 2016-10-26 15:11:24 -06:00 committed by Neil MacIntosh
parent b07383ead1
commit 6cffe0d14c
2 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
gsl/span
View File

@ -503,6 +503,8 @@ public:
Expects(idx >= 0 && idx < storage_.size()); Expects(idx >= 0 && idx < storage_.size());
return data()[idx]; return data()[idx];
} }
constexpr reference at(index_type idx) const { return this->operator[](idx); }
constexpr reference operator()(index_type idx) const { return this->operator[](idx); } constexpr reference operator()(index_type idx) const { return this->operator[](idx); }
constexpr pointer data() const noexcept { return storage_.data(); } constexpr pointer data() const noexcept { return storage_.data(); }

19
tests/span_tests.cpp
View File

@ -769,6 +769,25 @@ SUITE(span_tests)
} }
} }
TEST(at_call)
{
int arr[4] = {1, 2, 3, 4};
{
span<int> s = arr;
CHECK(s.at(0) == 1);
CHECK_THROW(s.at(5), fail_fast);
}
{
int arr2d[2] = {1, 6};
span<int, 2> s = arr2d;
CHECK(s.at(0) == 1);
CHECK(s.at(1) == 6);
CHECK_THROW(s.at(2) ,fail_fast);
}
}
TEST(operator_function_call) TEST(operator_function_call)
{ {
int arr[4] = {1, 2, 3, 4}; int arr[4] = {1, 2, 3, 4};