Use reference in loop

SaschaWillems · SaschaWillems · commit 33283db0b82a · 2025-10-04T12:30:32.000+02:00
diff --git a/attachments/15_hello_triangle.cpp b/attachments/15_hello_triangle.cpp
@@ -299,7 +299,7 @@ class HelloTriangleApplication {
 
         vk::ImageViewCreateInfo imageViewCreateInfo{ .viewType = vk::ImageViewType::e2D, .format = swapChainSurfaceFormat.format,
           .subresourceRange = { vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 } };
-        for ( auto image : swapChainImages )
+        for (auto& image : swapChainImages)
         {
             imageViewCreateInfo.image = image;
             swapChainImageViews.emplace_back( device, imageViewCreateInfo );
diff --git a/attachments/18_vertex_input.cpp b/attachments/18_vertex_input.cpp
@@ -344,7 +344,7 @@ class HelloTriangleApplication {
 
         vk::ImageViewCreateInfo imageViewCreateInfo{ .viewType = vk::ImageViewType::e2D, .format = swapChainSurfaceFormat.format,
           .subresourceRange = { vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 } };
-        for ( auto image : swapChainImages )
+        for (auto& image : swapChainImages)
         {
             imageViewCreateInfo.image = image;
             swapChainImageViews.emplace_back( device, imageViewCreateInfo );

Original file line number	Diff line number	Diff line change
`@@ -299,7 +299,7 @@ class HelloTriangleApplication {`
`299`	`299`
`300`	`300`	`vk::ImageViewCreateInfo imageViewCreateInfo{ .viewType = vk::ImageViewType::e2D, .format = swapChainSurfaceFormat.format,`
`301`	`301`	`.subresourceRange = { vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 } };`
`302`		`- for ( auto image : swapChainImages )`
	`302`	`+ for (auto& image : swapChainImages)`
`303`	`303`	`{`
`304`	`304`	`imageViewCreateInfo.image = image;`
`305`	`305`	`swapChainImageViews.emplace_back( device, imageViewCreateInfo );`
Original file line number	Diff line number	Diff line change
`@@ -344,7 +344,7 @@ class HelloTriangleApplication {`
`344`	`344`
`345`	`345`	`vk::ImageViewCreateInfo imageViewCreateInfo{ .viewType = vk::ImageViewType::e2D, .format = swapChainSurfaceFormat.format,`
`346`	`346`	`.subresourceRange = { vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 } };`
`347`		`- for ( auto image : swapChainImages )`
	`347`	`+ for (auto& image : swapChainImages)`
`348`	`348`	`{`
`349`	`349`	`imageViewCreateInfo.image = image;`
`350`	`350`	`swapChainImageViews.emplace_back( device, imageViewCreateInfo );`