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Improve format_as safety

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This commit is contained in:
Victor Zverovich
2023-03-19 06:51:47 -07:00
parent d9bc5f1320
commit 6549ffde8e
3 changed files with 24 additions and 41 deletions
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test/format-test.cc
-21
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@@ -1641,27 +1641,6 @@ TEST(format_test, format_explicitly_convertible_to_std_string_view) {
}
#endif
struct converible_to_anything {
template <typename T> operator T() const { return T(); }
};
FMT_BEGIN_NAMESPACE
template <> struct formatter<converible_to_anything> {
FMT_CONSTEXPR auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
auto format(converible_to_anything, format_context& ctx)
-> decltype(ctx.out()) {
return format_to(ctx.out(), "foo");
}
};
FMT_END_NAMESPACE
TEST(format_test, format_convertible_to_anything) {
EXPECT_EQ("foo", fmt::format("{}", converible_to_anything()));
}
class Answer {};
FMT_BEGIN_NAMESPACE