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Workaround C complex.h idiocy

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This commit is contained in:
Victor Zverovich 2022-09-03 06:35:55 -07:00
parent 29c6000137
commit aec3bb5d0a
4 changed files with 13 additions and 14 deletions
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14
include/fmt/ranges.h
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@ -211,16 +211,16 @@ class is_tuple_formattable_ {
static constexpr const bool value = false;
};
template <typename T, typename C> class is_tuple_formattable_<T, C, true> {
template <std::size_t... I>
static std::true_type check2(index_sequence<I...>,
integer_sequence<bool, (I == I)...>);
template <std::size_t... Is>
static std::true_type check2(index_sequence<Is...>,
integer_sequence<bool, (Is == Is)...>);
static std::false_type check2(...);
template <std::size_t... I>
template <std::size_t... Is>
static decltype(check2(
index_sequence<I...>{},
index_sequence<Is...>{},
integer_sequence<
bool, (is_formattable<typename std::tuple_element<I, T>::type,
C>::value)...>{})) check(index_sequence<I...>);
bool, (is_formattable<typename std::tuple_element<Is, T>::type,
C>::value)...>{})) check(index_sequence<Is...>);
public:
static constexpr const bool value =

9
include/fmt/std.h
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@ -101,17 +101,16 @@ template <typename T>
using variant_index_sequence =
std::make_index_sequence<std::variant_size<T>::value>;
template <typename>
struct is_variant_like_ : std::false_type {};
template <typename> struct is_variant_like_ : std::false_type {};
template <typename... Types>
struct is_variant_like_<std::variant<Types...>> : std::true_type {};
// formattable element check.
template <typename T, typename C> class is_variant_formattable_ {
template <std::size_t... I>
template <std::size_t... Is>
static std::conjunction<
is_formattable<std::variant_alternative_t<I, T>, C>...>
check(std::index_sequence<I...>);
is_formattable<std::variant_alternative_t<Is, T>, C>...>
check(std::index_sequence<Is...>);
public:
static constexpr const bool value =

2
test/core-test.cc
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@ -9,9 +9,7 @@
#include "test-assert.h"
// clang-format on
#define I 42 // simulate https://en.cppreference.com/w/c/numeric/complex/I
#include "fmt/core.h"
#undef I
#include <algorithm> // std::copy_n
#include <climits> // INT_MAX

2
test/enforce-checks-test.cc
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@ -8,12 +8,14 @@
#include <iterator>
#include <vector>
#define I 42 // simulate https://en.cppreference.com/w/c/numeric/complex/I
#include "fmt/chrono.h"
#include "fmt/color.h"
#include "fmt/format.h"
#include "fmt/ostream.h"
#include "fmt/ranges.h"
#include "fmt/xchar.h"
#undef I
// Exercise the API to verify that everything we expect to can compile.
void test_format_api() {