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Add loc_value

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This commit is contained in:
Victor Zverovich
2022-09-02 13:45:23 -07:00
parent fc5e59fe4a
commit f187274d36
4 changed files with 52 additions and 38 deletions
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23
test/format-test.cc
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@@ -2311,3 +2311,26 @@ TEST(format_int_test, format_int) {
os << max_value<int64_t>();
EXPECT_EQ(os.str(), fmt::format_int(max_value<int64_t>()).str());
}
#ifdef FMT_STATIC_THOUSANDS_SEPARATOR
# include <locale>
class num_format : public fmt::num_format_facet<std::locale> {
protected:
void do_put(fmt::appender out, fmt::loc_value, const fmt::format_specs&,
std::locale&) const override;
};
void num_format::do_put(fmt::appender out, fmt::loc_value value,
const fmt::format_specs&, std::locale&) const {
fmt::format_to(out, "[{}]", value.ulong_long_value);
}
TEST(format_test, num_format) {
auto loc = std::locale(std::locale(), new num_format());
EXPECT_EQ(fmt::format(loc, "{:L}", 42), "[42]");
EXPECT_EQ(fmt::format(loc, "{:L}", -42), "[-42]");
}
#endif // FMT_STATIC_THOUSANDS_SEPARATOR