Intermediate changes

commit_hash:75947792e236bf8588efbadca3b510178fca782a

3 files changed, 51 insertions, 6 deletions

diff --git a/library/cpp/coroutine/engine/coroutine_ut.cpp b/library/cpp/coroutine/engine/coroutine_ut.cpp
index de56d0ed2bb..656e3943c05 100644
--- a/library/cpp/coroutine/engine/coroutine_ut.cpp
+++ b/library/cpp/coroutine/engine/coroutine_ut.cpp
@@ -112,7 +112,7 @@ void TCoroTest::TestException() {
 
     auto f2 = [&unc, &f2run](TCont*) {
         f2run = true;
-        unc = std::uncaught_exception();
+        unc = std::uncaught_exceptions();
 
         // check segfault
         try {
diff --git a/yt/yt/core/misc/range_helpers-inl.h b/yt/yt/core/misc/range_helpers-inl.h
index 6ce1d498f1b..6f9e054d23f 100644
--- a/yt/yt/core/misc/range_helpers-inl.h
+++ b/yt/yt/core/misc/range_helpers-inl.h
@@ -9,26 +9,59 @@ namespace NDetail {
 
 ////////////////////////////////////////////////////////////////////////////////
 
+template <class TContainer>
+struct TAppendTo
+{ };
+
+template <class TContainer>
+    requires requires (TContainer container, typename TContainer::value_type value) {
+        container.push_back(value);
+    }
+struct TAppendTo<TContainer>
+{
+    template <class TValue>
+    static void Append(TContainer& container, TValue&& value)
+    {
+        container.push_back(std::forward<TValue>(value));
+    }
+};
+
+template <class TContainer>
+    requires requires (TContainer container, typename TContainer::value_type value) {
+        container.insert(value);
+    }
+struct TAppendTo<TContainer>
+{
+    template <class TValue>
+    static void Append(TContainer& container, TValue&& value)
+    {
+        container.insert(std::forward<TValue>(value));
+    }
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
 template <class TContainer, std::ranges::input_range TRange>
 struct TRangeTo
 { };
 
 template <class TContainer, std::ranges::input_range TRange>
-    requires requires (TContainer container, size_t size) {
-        container.reserve(size);
-        container.push_back(std::declval<typename TContainer::value_type>());
+    requires requires (TContainer container, typename TContainer::value_type value) {
+        TAppendTo<TContainer>::Append(container, value);
     }
 struct TRangeTo<TContainer, TRange>
 {
     static auto ToContainer(TRange&& range)
     {
         TContainer container;
-        if constexpr (requires { std::ranges::size(range); }) {
+        if constexpr (requires { std::ranges::size(range); } &&
+            requires { container.reserve(std::declval<size_t>()); })
+        {
             container.reserve(std::ranges::size(range));
         }
 
         for (auto&& element : range) {
-            container.push_back(std::forward<decltype(element)>(element));
+            TAppendTo<TContainer>::Append(container, std::forward<decltype(element)>(element));
         }
 
         return container;
@@ -54,6 +87,14 @@ auto RangeTo(TRange&& range)
     return NDetail::TRangeTo<TContainer, TRange>::ToContainer(std::forward<TRange>(range));
 }
 
+template <class TContainer, std::ranges::input_range TRange, class TTransformFunction>
+auto TransformRangeTo(TRange&& range, TTransformFunction&& function)
+{
+    return RangeTo<TContainer>(std::ranges::views::transform(
+        std::forward<TRange>(range),
+        std::forward<TTransformFunction>(function)));
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 } // namespace NYT
diff --git a/yt/yt/core/misc/range_helpers.h b/yt/yt/core/misc/range_helpers.h
index 2de49738d28..c59fc54f772 100644
--- a/yt/yt/core/misc/range_helpers.h
+++ b/yt/yt/core/misc/range_helpers.h
@@ -22,6 +22,10 @@ auto ZipMutable(TRanges&&... ranges);
 template <class TContainer, std::ranges::input_range TRange>
 auto RangeTo(TRange&& range);
 
+//! Shortcut for `RangeTo(std::ranges::views::transform)`.
+template <class TContainer, std::ranges::input_range TRange, class TTransformFunction>
+auto TransformRangeTo(TRange&& range, TTransformFunction&& function);
+
 ////////////////////////////////////////////////////////////////////////////////
 
 } // namespace NYT