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Add copy constructor for dynamic_format_arg_store, and test

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This commit is contained in:
Spiros Tsalikis 2021-07-22 03:40:00 -04:00 committed by Victor Zverovich
parent 561834650a
commit 63fe2d5bd2
2 changed files with 25 additions and 0 deletions
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12
include/fmt/args.h
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@ -143,6 +143,18 @@ class dynamic_format_arg_store
}
public:
constexpr dynamic_format_arg_store() = default;
constexpr dynamic_format_arg_store(
const dynamic_format_arg_store<Context>& store)
:
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
basic_format_args<Context>(),
#endif
data_(store.data_),
named_info_(store.named_info_) {
}
/**
\rst
Adds an argument into the dynamic store for later passing to a formatting

13
test/args-test.cc
View File

@ -171,3 +171,16 @@ TEST(args_test, throw_on_copy) {
}
EXPECT_EQ(fmt::vformat("{}", store), "foo");
}
TEST(args_test, copy_constructor) {
auto store = fmt::dynamic_format_arg_store<fmt::format_context>();
store.push_back(fmt::arg("test1", "value1"));
store.push_back(fmt::arg("test2", "value2"));
store.push_back(fmt::arg("test3", "value3"));
auto store2 = store;
store2.push_back(fmt::arg("test4", "value4"));
auto result = fmt::vformat("{test1} {test2} {test3} {test4}", store2);
EXPECT_EQ(result, "value1 value2 value3 value4");
}