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-rw-r--r--src/openvic-simulation/dataloader/Dataloader.cpp27
1 files changed, 16 insertions, 11 deletions
diff --git a/src/openvic-simulation/dataloader/Dataloader.cpp b/src/openvic-simulation/dataloader/Dataloader.cpp
index 2553b7e..9a34713 100644
--- a/src/openvic-simulation/dataloader/Dataloader.cpp
+++ b/src/openvic-simulation/dataloader/Dataloader.cpp
@@ -45,17 +45,22 @@ static constexpr bool path_equals(std::string_view lhs, std::string_view rhs) {
#endif
}
-template<typename LT, typename RT>
-static bool filename_equals(const LT& lhs, const RT& rhs) {
- std::string left, right;
- if constexpr (std::same_as<LT, std::filesystem::path>)
- left = lhs.filename().string();
- else left = lhs;
-
- if constexpr (std::same_as<RT, std::filesystem::path>)
- right = rhs.filename().string();
- else right = rhs;
-
+template<typename T>
+concept is_filename = std::same_as<T, std::filesystem::path> || std::convertible_to<T, std::string_view>;
+
+bool filename_equals(const is_filename auto& lhs, const is_filename auto& rhs) {
+ auto left = [&lhs] {
+ if constexpr (std::same_as<std::decay_t<decltype(lhs)>, std::filesystem::path>)
+ return lhs.filename().string();
+ else
+ return lhs;
+ }();
+ auto right = [&rhs] {
+ if constexpr (std::same_as<std::decay_t<decltype(rhs)>, std::filesystem::path>)
+ return rhs.filename().string();
+ else
+ return rhs;
+ }();
return path_equals(left, right);
}