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libcamera: base: utils: Use size_t for index in utils::enumerate()

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The index generated by utils::enumerate() is an iteration counter, which
should thus be positive. Use std::size_t instead of the difference_type
of the container.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
This commit is contained in:
Laurent Pinchart 2021-09-02 04:02:43 +03:00
parent 06e53199c2
commit f9c1a40e21
2 changed files with 7 additions and 7 deletions
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10
test/utils.cpp
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@ -77,8 +77,8 @@ protected:
int testEnumerate()
{
std::vector<int> integers{ 1, 2, 3, 4, 5 };
int i = 0;
std::vector<unsigned int> integers{ 1, 2, 3, 4, 5 };
unsigned int i = 0;
for (auto [index, value] : utils::enumerate(integers)) {
if (index != i || value != i + 1) {
@ -93,12 +93,12 @@ protected:
++i;
}
if (integers != std::vector<int>{ 0, 1, 2, 3, 4 }) {
if (integers != std::vector<unsigned int>{ 0, 1, 2, 3, 4 }) {
cerr << "Failed to modify container in enumerated range loop" << endl;
return TestFail;
}
Span<const int> span{ integers };
Span<const unsigned int> span{ integers };
i = 0;
for (auto [index, value] : utils::enumerate(span)) {
@ -112,7 +112,7 @@ protected:
++i;
}
const int array[] = { 0, 2, 4, 6, 8 };
const unsigned int array[] = { 0, 2, 4, 6, 8 };
i = 0;
for (auto [index, value] : utils::enumerate(array)) {