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Acknowledge char parameter.

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This commit is contained in:
John Eivind Helset 2022-06-18 21:43:20 +02:00
parent 88bdd35b2e
commit d6b0075742
2 changed files with 15 additions and 14 deletions
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27
include/fmt/ranges.h
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@ -205,20 +205,22 @@ using make_index_sequence = make_integer_sequence<size_t, N>;
template <typename T>
using tuple_index_sequence = make_index_sequence<std::tuple_size<T>::value>;
template <typename T, bool = is_tuple_like_<T>::value>
template <typename T, typename C, bool = is_tuple_like_<T>::value>
struct is_tuple_formattable_ {
static constexpr const bool value = false;
};
template <typename T> struct is_tuple_formattable_<T, true> {
template <typename T, typename C> struct is_tuple_formattable_<T, C, true> {
template <std::size_t... I>
static std::true_type
check2(index_sequence<I...>,integer_sequence<bool,(I == I)...>);
static std::false_type
check2(...);
static std::true_type check2(index_sequence<I...>,
integer_sequence<bool, (I == I)...>);
static std::false_type check2(...);
template <std::size_t... I>
static decltype(check2(index_sequence<I...>{},
integer_sequence<bool,(fmt::is_formattable<typename std::tuple_element<I, T>::type>::value)...>{}))
check(index_sequence<I...>);
static decltype(check2(
index_sequence<I...>{},
integer_sequence<
bool, (fmt::is_formattable<typename std::tuple_element<I, T>::type,
C>::value)...>{}))
check(index_sequence<I...>);
public:
static constexpr const bool value =
@ -306,14 +308,15 @@ template <typename T> struct is_tuple_like {
detail::is_tuple_like_<T>::value && !detail::is_range_<T>::value;
};
template <typename T> struct is_tuple_formattable {
static constexpr const bool value = detail::is_tuple_formattable_<T>::value;
template <typename T, typename C> struct is_tuple_formattable {
static constexpr const bool value =
detail::is_tuple_formattable_<T, C>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char,
enable_if_t<fmt::is_tuple_like<TupleT>::value &&
fmt::is_tuple_formattable<TupleT>::value>> {
fmt::is_tuple_formattable<TupleT, Char>::value>> {
private:
// C++11 generic lambda for format().
template <typename FormatContext> struct format_each {

2
test/xchar-test.cc
View File

@ -315,12 +315,10 @@ TEST(xchar_test, ostream) {
#endif
}
#ifdef FMT_XCHAR_TEST_ENABLE_FORMAT_MAP
TEST(xchar_test, format_map) {
auto m = std::map<std::wstring, int>{{L"one", 1}, {L"t\"wo", 2}};
EXPECT_EQ(fmt::format(L"{}", m), L"{\"one\": 1, \"t\\\"wo\": 2}");
}
#endif
TEST(xchar_test, escape_string) {
using vec = std::vector<std::wstring>;