Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Fix std::byte formatting with compile-time API #2072

Merged
merged 4 commits into from
Dec 27, 2020
Merged

Fix std::byte formatting with compile-time API #2072

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
cc4a995
add test for byte formatting with `FMT_COMPILE`
alexezeder Dec 22, 2020
0e89ada
fix byte formatting with `FMT_COMPILE`, use `__cpp_lib_byte` macro
alexezeder Dec 22, 2020
0446614
use is not custom mapped type check
alexezeder Dec 23, 2020
417b35b
workaround MSVC bug
alexezeder Dec 25, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 7 additions & 1 deletion include/fmt/format.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2112,8 +2112,14 @@ FMT_CONSTEXPR OutputIt write(OutputIt out, T value) {
}

template <typename Char, typename OutputIt, typename T,
#ifdef __cpp_lib_byte
FMT_ENABLE_IF(std::is_enum<T>::value &&
!std::is_same<T, Char>::value &&
!std::is_same<T, std::byte>::value)>
#else
FMT_ENABLE_IF(std::is_enum<T>::value &&
!std::is_same<T, Char>::value)>
#endif
alexezeder marked this conversation as resolved.
Show resolved Hide resolved
FMT_CONSTEXPR OutputIt write(OutputIt out, T value) {
return write<Char>(
out, static_cast<typename std::underlying_type<T>::type>(value));
Expand Down Expand Up @@ -3562,7 +3568,7 @@ FMT_FORMAT_AS(Char*, const Char*);
FMT_FORMAT_AS(std::basic_string<Char>, basic_string_view<Char>);
FMT_FORMAT_AS(std::nullptr_t, const void*);
FMT_FORMAT_AS(detail::std_string_view<Char>, basic_string_view<Char>);
#if __cplusplus >= 201703L
#ifdef __cpp_lib_byte
FMT_FORMAT_AS(std::byte, unsigned);
#endif

Expand Down
3 changes: 3 additions & 0 deletions test/compile-test.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,9 @@ TEST(CompileTest, FormatDefault) {
EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), "foo"));
EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), std::string("foo")));
EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), test_formattable()));
# ifdef __cpp_lib_byte
EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), std::byte{42}));
# endif
}

TEST(CompileTest, FormatWideString) {
Expand Down
2 changes: 1 addition & 1 deletion test/format-test.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1762,7 +1762,7 @@ TEST(FormatTest, JoinArg) {
#endif
}

#if __cplusplus >= 201703L
#ifdef __cpp_lib_byte
TEST(FormatTest, JoinBytes) {
std::vector<std::byte> v = {std::byte(1), std::byte(2), std::byte(3)};
EXPECT_EQ("1, 2, 3", fmt::format("{}", fmt::join(v, ", ")));
Expand Down