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fmt::internal::declval -> std::declval

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This commit is contained in:
Victor Zverovich
2019-05-30 08:34:17 -07:00
parent d07cc2026b
commit 8302c2f33b
7 changed files with 40 additions and 47 deletions
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8
include/fmt/format.h
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@@ -286,7 +286,7 @@ FMT_CONSTEXPR T* end(T (&array)[N]) FMT_NOEXCEPT {
// An implementation of iterator_t for pre-C++20 compilers such as gcc 4.
template <typename T> struct iterator_t {
typedef decltype(internal::begin(internal::declval<const T&>())) type;
typedef decltype(internal::begin(std::declval<const T&>())) type;
};
// For std::result_of in gcc 4.4.
@@ -1393,7 +1393,7 @@ template <typename Range, typename ErrorHandler = internal::error_handler>
class arg_formatter_base {
public:
typedef typename Range::value_type char_type;
typedef decltype(internal::declval<Range>().begin()) iterator;
typedef decltype(std::declval<Range>().begin()) iterator;
typedef basic_format_specs<char_type> format_specs;
private:
@@ -2388,7 +2388,7 @@ FMT_API void format_system_error(internal::buffer<char>& out, int error_code,
template <typename Range> class basic_writer {
public:
typedef typename Range::value_type char_type;
typedef decltype(internal::declval<Range>().begin()) iterator;
typedef decltype(std::declval<Range>().begin()) iterator;
typedef basic_format_specs<char_type> format_specs;
private:
@@ -3427,7 +3427,7 @@ template <typename It> class is_output_iterator {
// The compiler reveals this property only at the point of *actually
// dereferencing* the iterator!
template <typename U>
static decltype(*(internal::declval<U>())) test(std::input_iterator_tag);
static decltype(*(std::declval<U>())) test(std::input_iterator_tag);
template <typename U> static char& test(std::output_iterator_tag);
template <typename U> static const char& test(...);