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Fix handling of types convertible to std::string_view

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This commit is contained in:
Victor Zverovich
2019-12-09 13:25:08 -08:00
parent fd52de0c6b
commit 9f2e7edaeb
3 changed files with 32 additions and 12 deletions
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22
test/ostream-test.cc
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@@ -276,3 +276,25 @@ std::ostream& operator<<(std::ostream& os,
TEST(FormatterTest, FormatExplicitlyConvertibleToStringLikeIgnoreInserter) {
EXPECT_EQ("foo", fmt::format("{}", explicitly_convertible_to_string_like()));
}
#ifdef FMT_USE_STRING_VIEW
struct explicitly_convertible_to_std_string_view {
explicit operator fmt::internal::std_string_view<char>() const {
return {"foo", 3u};
}
};
TEST(FormatterTest, FormatExplicitlyConvertibleToStdStringView) {
EXPECT_EQ("foo", fmt::format("{}", explicitly_convertible_to_string_like()));
}
std::ostream& operator<<(std::ostream& os,
explicitly_convertible_to_std_string_view) {
return os << "bar";
}
TEST(FormatterTest, FormatExplicitlyConvertibleToStdStringViewIgnoreInserter) {
EXPECT_EQ("foo",
fmt::format("{}", explicitly_convertible_to_std_string_view()));
}
#endif // FMT_USE_STRING_VIEW