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-rw-r--r--src/common/concepts.h16
-rw-r--r--src/common/fs/file.h12
2 files changed, 9 insertions, 19 deletions
diff --git a/src/common/concepts.h b/src/common/concepts.h
index e8ce30dfe..a9acff3e7 100644
--- a/src/common/concepts.h
+++ b/src/common/concepts.h
@@ -3,24 +3,14 @@
#pragma once
+#include <iterator>
#include <type_traits>
namespace Common {
-// Check if type is like an STL container
+// Check if type satisfies the ContiguousContainer named requirement.
template <typename T>
-concept IsSTLContainer = requires(T t) {
- typename T::value_type;
- typename T::iterator;
- typename T::const_iterator;
- // TODO(ogniK): Replace below is std::same_as<void> when MSVC supports it.
- t.begin();
- t.end();
- t.cbegin();
- t.cend();
- t.data();
- t.size();
-};
+concept IsContiguousContainer = std::contiguous_iterator<typename T::iterator>;
// TODO: Replace with std::derived_from when the <concepts> header
// is available on all supported platforms.
diff --git a/src/common/fs/file.h b/src/common/fs/file.h
index 69b53384c..167c4d826 100644
--- a/src/common/fs/file.h
+++ b/src/common/fs/file.h
@@ -209,8 +209,8 @@ public:
/**
* Helper function which deduces the value type of a contiguous STL container used in ReadSpan.
- * If T is not a contiguous STL container as defined by the concept IsSTLContainer, this calls
- * ReadObject and T must be a trivially copyable object.
+ * If T is not a contiguous container as defined by the concept IsContiguousContainer, this
+ * calls ReadObject and T must be a trivially copyable object.
*
* See ReadSpan for more details if T is a contiguous container.
* See ReadObject for more details if T is a trivially copyable object.
@@ -223,7 +223,7 @@ public:
*/
template <typename T>
[[nodiscard]] size_t Read(T& data) const {
- if constexpr (IsSTLContainer<T>) {
+ if constexpr (IsContiguousContainer<T>) {
using ContiguousType = typename T::value_type;
static_assert(std::is_trivially_copyable_v<ContiguousType>,
"Data type must be trivially copyable.");
@@ -235,8 +235,8 @@ public:
/**
* Helper function which deduces the value type of a contiguous STL container used in WriteSpan.
- * If T is not a contiguous STL container as defined by the concept IsSTLContainer, this calls
- * WriteObject and T must be a trivially copyable object.
+ * If T is not a contiguous STL container as defined by the concept IsContiguousContainer, this
+ * calls WriteObject and T must be a trivially copyable object.
*
* See WriteSpan for more details if T is a contiguous container.
* See WriteObject for more details if T is a trivially copyable object.
@@ -249,7 +249,7 @@ public:
*/
template <typename T>
[[nodiscard]] size_t Write(const T& data) const {
- if constexpr (IsSTLContainer<T>) {
+ if constexpr (IsContiguousContainer<T>) {
using ContiguousType = typename T::value_type;
static_assert(std::is_trivially_copyable_v<ContiguousType>,
"Data type must be trivially copyable.");