Allow to use std::vector in AppendTo

2 files changed, 10 insertions, 4 deletions

diff --git a/library/cpp/getopt/small/last_getopt_opt.h b/library/cpp/getopt/small/last_getopt_opt.h
index e8567bd4f6..5210b6e756 100644
--- a/library/cpp/getopt/small/last_getopt_opt.h
+++ b/library/cpp/getopt/small/last_getopt_opt.h
@@ -691,9 +691,9 @@ namespace NLastGetopt {
         }
 
         // Appends FromString<T>(arg) to *target for each argument
-        template <typename T>
-        TOpt& AppendTo(TVector<T>* target) {
-            return Handler1T<T>([target](auto&& value) { target->push_back(std::move(value)); });
+        template<class Container>
+        TOpt& AppendTo(Container* target) {
+            return Handler1T<typename Container::value_type>([target](auto&& value) { target->push_back(std::move(value)); });
         }
 
         // Appends FromString<T>(arg) to *target for each argument
diff --git a/library/cpp/getopt/ut/last_getopt_ut.cpp b/library/cpp/getopt/ut/last_getopt_ut.cpp
index c2ee4f0c40..b517ea359d 100644
--- a/library/cpp/getopt/ut/last_getopt_ut.cpp
+++ b/library/cpp/getopt/ut/last_getopt_ut.cpp
@@ -736,15 +736,21 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
 
     Y_UNIT_TEST(TestAppendTo) {
         TVector<int> ints;
+        std::vector<std::string> strings;
 
         TOptsNoDefault opts;
         opts.AddLongOption("size").AppendTo(&ints);
+        opts.AddLongOption("value").AppendTo(&strings);
 
-        TOptsParseResultTestWrapper r(&opts, V({"cmd", "--size=17", "--size=19"}));
+        TOptsParseResultTestWrapper r(&opts, V({"cmd", "--size=17", "--size=19", "--value=v1", "--value=v2"}));
 
         UNIT_ASSERT_VALUES_EQUAL(size_t(2), ints.size());
         UNIT_ASSERT_VALUES_EQUAL(17, ints.at(0));
         UNIT_ASSERT_VALUES_EQUAL(19, ints.at(1));
+
+        UNIT_ASSERT_VALUES_EQUAL(size_t(2), strings.size());
+        UNIT_ASSERT_VALUES_EQUAL("v1", strings.at(0));
+        UNIT_ASSERT_VALUES_EQUAL("v2", strings.at(1));
     }
 
     Y_UNIT_TEST(TestEmplaceTo) {