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Disable problematic implicit conversions

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This commit is contained in:
Victor Zverovich
2023-04-09 09:08:46 -07:00
parent 02bf4d1c1c
commit fce74caa15
5 changed files with 18 additions and 60 deletions
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13
include/fmt/core.h
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@@ -1441,7 +1441,8 @@ template <typename Context> struct arg_mapper {
template <typename T, typename U = remove_cvref_t<T>>
struct formattable
: bool_constant<has_const_formatter<U, Context>() ||
!std::is_const<remove_reference_t<T>>::value> {};
(has_formatter<U, Context>::value &&
!std::is_const<remove_reference_t<T>>::value)> {};
template <typename T, FMT_ENABLE_IF(formattable<T>::value)>
FMT_CONSTEXPR FMT_INLINE auto do_map(T&& val) -> T& {
@@ -1453,11 +1454,11 @@ template <typename Context> struct arg_mapper {
}
template <typename T, typename U = remove_cvref_t<T>,
FMT_ENABLE_IF(!is_string<U>::value && !is_char<U>::value &&
!std::is_array<U>::value &&
!std::is_pointer<U>::value &&
!std::is_arithmetic<format_as_t<U>>::value &&
has_formatter<U, Context>::value)>
FMT_ENABLE_IF((std::is_class<U>::value || std::is_enum<U>::value ||
std::is_union<U>::value) &&
!is_string<U>::value && !is_char<U>::value &&
!is_named_arg<U>::value &&
!std::is_arithmetic<format_as_t<U>>::value)>
FMT_CONSTEXPR FMT_INLINE auto map(T&& val)
-> decltype(this->do_map(std::forward<T>(val))) {
return do_map(std::forward<T>(val));