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🔨 cleanup

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This commit is contained in:
Niels Lohmann 2017-08-10 23:40:30 +02:00
parent a46afd4008
commit 6151b056eb
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GPG key ID: 7F3CEA63AE251B69
1 changed files with 42 additions and 211 deletions
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253
src/json.hpp
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@ -463,13 +463,9 @@ inline bool operator<(const value_t lhs, const value_t rhs) noexcept
}; };
// discarded values are not comparable // discarded values are not comparable
if (lhs == value_t::discarded or rhs == value_t::discarded) return lhs != value_t::discarded and rhs != value_t::discarded and
{ order[static_cast<std::size_t>(lhs)] < order[static_cast<std::size_t>(rhs)];
return false;
}
return order[static_cast<std::size_t>(lhs)] <
order[static_cast<std::size_t>(rhs)];
} }
@ -1007,10 +1003,9 @@ void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val)
val = static_cast<ArithmeticType>(*j.template get_ptr<const typename BasicJsonType::number_float_t*>()); val = static_cast<ArithmeticType>(*j.template get_ptr<const typename BasicJsonType::number_float_t*>());
break; break;
} }
default: default:
{
JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name())));
}
} }
} }
@ -1198,10 +1193,9 @@ void from_json(const BasicJsonType& j, ArithmeticType& val)
val = static_cast<ArithmeticType>(*j.template get_ptr<const typename BasicJsonType::boolean_t*>()); val = static_cast<ArithmeticType>(*j.template get_ptr<const typename BasicJsonType::boolean_t*>());
break; break;
} }
default: default:
{
JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name())));
}
} }
} }
@ -1629,11 +1623,8 @@ class lexer
return "end of input"; return "end of input";
case token_type::literal_or_value: case token_type::literal_or_value:
return "'[', '{', or a literal"; return "'[', '{', or a literal";
default: default: // catch non-enum values
{
// catch non-enum values
return "unknown token"; // LCOV_EXCL_LINE return "unknown token"; // LCOV_EXCL_LINE
}
} }
} }
@ -2339,9 +2330,7 @@ scan_number_zero:
} }
default: default:
{
goto scan_number_done; goto scan_number_done;
}
} }
scan_number_any1: scan_number_any1:
@ -2377,9 +2366,7 @@ scan_number_any1:
} }
default: default:
{
goto scan_number_done; goto scan_number_done;
}
} }
scan_number_decimal1: scan_number_decimal1:
@ -2436,9 +2423,7 @@ scan_number_decimal2:
} }
default: default:
{
goto scan_number_done; goto scan_number_done;
}
} }
scan_number_exponent: scan_number_exponent:
@ -2522,9 +2507,7 @@ scan_number_any2:
} }
default: default:
{
goto scan_number_done; goto scan_number_done;
}
} }
scan_number_done: scan_number_done:
@ -2911,12 +2894,8 @@ class parser
return false; return false;
} }
if (strict and get_token() != token_type::end_of_input) // strict => last token must be EOF
{ return not strict or (get_token() == token_type::end_of_input);
return false;
}
return true;
} }
private: private:
@ -3156,10 +3135,7 @@ class parser
JSON_THROW(out_of_range::create(406, "number overflow parsing '" + JSON_THROW(out_of_range::create(406, "number overflow parsing '" +
m_lexer.get_token_string() + "'")); m_lexer.get_token_string() + "'"));
} }
else expect(token_type::uninitialized);
{
expect(token_type::uninitialized);
}
} }
break; break;
} }
@ -3297,15 +3273,10 @@ class parser
case token_type::value_integer: case token_type::value_integer:
case token_type::value_string: case token_type::value_string:
case token_type::value_unsigned: case token_type::value_unsigned:
{
return true; return true;
}
default: default: // the last token was unexpected
{
// the last token was unexpected
return false; return false;
}
} }
} }
@ -3740,9 +3711,7 @@ class iter_impl : public std::iterator<std::random_access_iterator_tag, BasicJso
} }
case value_t::null: case value_t::null:
{
JSON_THROW(invalid_iterator::create(214, "cannot get value")); JSON_THROW(invalid_iterator::create(214, "cannot get value"));
}
default: default:
{ {
@ -3893,19 +3862,13 @@ class iter_impl : public std::iterator<std::random_access_iterator_tag, BasicJso
switch (m_object->m_type) switch (m_object->m_type)
{ {
case value_t::object: case value_t::object:
{
return (m_it.object_iterator == other.m_it.object_iterator); return (m_it.object_iterator == other.m_it.object_iterator);
}
case value_t::array: case value_t::array:
{
return (m_it.array_iterator == other.m_it.array_iterator); return (m_it.array_iterator == other.m_it.array_iterator);
}
default: default:
{
return (m_it.primitive_iterator == other.m_it.primitive_iterator); return (m_it.primitive_iterator == other.m_it.primitive_iterator);
}
} }
} }
@ -3935,19 +3898,13 @@ class iter_impl : public std::iterator<std::random_access_iterator_tag, BasicJso
switch (m_object->m_type) switch (m_object->m_type)
{ {
case value_t::object: case value_t::object:
{
JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators")); JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators"));
}
case value_t::array: case value_t::array:
{
return (m_it.array_iterator < other.m_it.array_iterator); return (m_it.array_iterator < other.m_it.array_iterator);
}
default: default:
{
return (m_it.primitive_iterator < other.m_it.primitive_iterator); return (m_it.primitive_iterator < other.m_it.primitive_iterator);
}
} }
} }
@ -3989,9 +3946,7 @@ class iter_impl : public std::iterator<std::random_access_iterator_tag, BasicJso
switch (m_object->m_type) switch (m_object->m_type)
{ {
case value_t::object: case value_t::object:
{
JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators"));
}
case value_t::array: case value_t::array:
{ {
@ -4062,19 +4017,13 @@ class iter_impl : public std::iterator<std::random_access_iterator_tag, BasicJso
switch (m_object->m_type) switch (m_object->m_type)
{ {
case value_t::object: case value_t::object:
{
JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators"));
}
case value_t::array: case value_t::array:
{
return m_it.array_iterator - other.m_it.array_iterator; return m_it.array_iterator - other.m_it.array_iterator;
}
default: default:
{
return m_it.primitive_iterator - other.m_it.primitive_iterator; return m_it.primitive_iterator - other.m_it.primitive_iterator;
}
} }
} }
@ -4089,19 +4038,13 @@ class iter_impl : public std::iterator<std::random_access_iterator_tag, BasicJso
switch (m_object->m_type) switch (m_object->m_type)
{ {
case value_t::object: case value_t::object:
{
JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators")); JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators"));
}
case value_t::array: case value_t::array:
{
return *std::next(m_it.array_iterator, n); return *std::next(m_it.array_iterator, n);
}
case value_t::null: case value_t::null:
{
JSON_THROW(invalid_iterator::create(214, "cannot get value")); JSON_THROW(invalid_iterator::create(214, "cannot get value"));
}
default: default:
{ {
@ -4193,21 +4136,15 @@ template<typename IteratorType> class iteration_proxy
{ {
// use integer array index as key // use integer array index as key
case value_t::array: case value_t::array:
{
return std::to_string(array_index); return std::to_string(array_index);
}
// use key from the object // use key from the object
case value_t::object: case value_t::object:
{
return anchor.key(); return anchor.key();
}
// use an empty key for all primitive types // use an empty key for all primitive types
default: default:
{
return ""; return "";
}
} }
} }
@ -4486,9 +4423,7 @@ class binary_reader
{ {
// EOF // EOF
case std::char_traits<char>::eof(): case std::char_traits<char>::eof():
{
JSON_THROW(parse_error::create(110, chars_read, "unexpected end of input")); JSON_THROW(parse_error::create(110, chars_read, "unexpected end of input"));
}
// Integer 0x00..0x17 (0..23) // Integer 0x00..0x17 (0..23)
case 0x00: case 0x00:
@ -4515,29 +4450,19 @@ class binary_reader
case 0x15: case 0x15:
case 0x16: case 0x16:
case 0x17: case 0x17:
{
return static_cast<number_unsigned_t>(current); return static_cast<number_unsigned_t>(current);
}
case 0x18: // Unsigned integer (one-byte uint8_t follows) case 0x18: // Unsigned integer (one-byte uint8_t follows)
{
return get_number<uint8_t>(); return get_number<uint8_t>();
}
case 0x19: // Unsigned integer (two-byte uint16_t follows) case 0x19: // Unsigned integer (two-byte uint16_t follows)
{
return get_number<uint16_t>(); return get_number<uint16_t>();
}
case 0x1a: // Unsigned integer (four-byte uint32_t follows) case 0x1a: // Unsigned integer (four-byte uint32_t follows)
{
return get_number<uint32_t>(); return get_number<uint32_t>();
}
case 0x1b: // Unsigned integer (eight-byte uint64_t follows) case 0x1b: // Unsigned integer (eight-byte uint64_t follows)
{
return get_number<uint64_t>(); return get_number<uint64_t>();
}
// Negative integer -1-0x00..-1-0x17 (-1..-24) // Negative integer -1-0x00..-1-0x17 (-1..-24)
case 0x20: case 0x20:
@ -4564,9 +4489,7 @@ class binary_reader
case 0x35: case 0x35:
case 0x36: case 0x36:
case 0x37: case 0x37:
{
return static_cast<int8_t>(0x20 - 1 - current); return static_cast<int8_t>(0x20 - 1 - current);
}
case 0x38: // Negative integer (one-byte uint8_t follows) case 0x38: // Negative integer (one-byte uint8_t follows)
{ {
@ -4896,9 +4819,7 @@ class binary_reader
{ {
// EOF // EOF
case std::char_traits<char>::eof(): case std::char_traits<char>::eof():
{
JSON_THROW(parse_error::create(110, chars_read, "unexpected end of input")); JSON_THROW(parse_error::create(110, chars_read, "unexpected end of input"));
}
// positive fixint // positive fixint
case 0x00: case 0x00:
@ -5029,9 +4950,7 @@ class binary_reader
case 0x7d: case 0x7d:
case 0x7e: case 0x7e:
case 0x7f: case 0x7f:
{
return static_cast<number_unsigned_t>(current); return static_cast<number_unsigned_t>(current);
}
// fixmap // fixmap
case 0x80: case 0x80:
@ -5122,81 +5041,51 @@ class binary_reader
case 0xbd: case 0xbd:
case 0xbe: case 0xbe:
case 0xbf: case 0xbf:
{
return get_msgpack_string(); return get_msgpack_string();
}
case 0xc0: // nil case 0xc0: // nil
{
return value_t::null; return value_t::null;
}
case 0xc2: // false case 0xc2: // false
{
return false; return false;
}
case 0xc3: // true case 0xc3: // true
{
return true; return true;
}
case 0xca: // float 32 case 0xca: // float 32
{
return get_number<float>(); return get_number<float>();
}
case 0xcb: // float 64 case 0xcb: // float 64
{
return get_number<double>(); return get_number<double>();
}
case 0xcc: // uint 8 case 0xcc: // uint 8
{
return get_number<uint8_t>(); return get_number<uint8_t>();
}
case 0xcd: // uint 16 case 0xcd: // uint 16
{
return get_number<uint16_t>(); return get_number<uint16_t>();
}
case 0xce: // uint 32 case 0xce: // uint 32
{
return get_number<uint32_t>(); return get_number<uint32_t>();
}
case 0xcf: // uint 64 case 0xcf: // uint 64
{
return get_number<uint64_t>(); return get_number<uint64_t>();
}
case 0xd0: // int 8 case 0xd0: // int 8
{
return get_number<int8_t>(); return get_number<int8_t>();
}
case 0xd1: // int 16 case 0xd1: // int 16
{
return get_number<int16_t>(); return get_number<int16_t>();
}
case 0xd2: // int 32 case 0xd2: // int 32
{
return get_number<int32_t>(); return get_number<int32_t>();
}
case 0xd3: // int 64 case 0xd3: // int 64
{
return get_number<int64_t>(); return get_number<int64_t>();
}
case 0xd9: // str 8 case 0xd9: // str 8
case 0xda: // str 16 case 0xda: // str 16
case 0xdb: // str 32 case 0xdb: // str 32
{
return get_msgpack_string(); return get_msgpack_string();
}
case 0xdc: // array 16 case 0xdc: // array 16
{ {
@ -5279,9 +5168,7 @@ class binary_reader
case 0xfd: case 0xfd:
case 0xfe: case 0xfe:
case 0xff: case 0xff:
{
return static_cast<int8_t>(current); return static_cast<int8_t>(current);
}
default: // anything else default: // anything else
{ {
@ -5718,9 +5605,8 @@ class binary_writer
break; break;
} }
case value_t::number_float: case value_t::number_float: // Double-Precision Float
{ {
// Double-Precision Float
oa->write_character(static_cast<CharType>(0xfb)); oa->write_character(static_cast<CharType>(0xfb));
write_number(j.m_value.number_float); write_number(j.m_value.number_float);
break; break;
@ -5844,9 +5730,7 @@ class binary_writer
} }
default: default:
{
break; break;
}
} }
} }
@ -5857,16 +5741,14 @@ class binary_writer
{ {
switch (j.type()) switch (j.type())
{ {
case value_t::null: case value_t::null: // nil
{ {
// nil
oa->write_character(static_cast<CharType>(0xc0)); oa->write_character(static_cast<CharType>(0xc0));
break; break;
} }
case value_t::boolean: case value_t::boolean: // true and false
{ {
// true and false
oa->write_character(j.m_value.boolean oa->write_character(j.m_value.boolean
? static_cast<CharType>(0xc3) ? static_cast<CharType>(0xc3)
: static_cast<CharType>(0xc2)); : static_cast<CharType>(0xc2));
@ -5983,9 +5865,8 @@ class binary_writer
break; break;
} }
case value_t::number_float: case value_t::number_float: // float 64
{ {
// float 64
oa->write_character(static_cast<CharType>(0xcb)); oa->write_character(static_cast<CharType>(0xcb));
write_number(j.m_value.number_float); write_number(j.m_value.number_float);
break; break;
@ -6088,9 +5969,7 @@ class binary_writer
} }
default: default:
{
break; break;
}
} }
} }
@ -6481,7 +6360,7 @@ class serializer
return res; return res;
} }
static void escape_codepoint(int codepoint, string_t& result, size_t& pos) static void escape_codepoint(int codepoint, string_t& result, std::size_t& pos)
{ {
// expecting a proper codepoint // expecting a proper codepoint
assert(0x00 <= codepoint and codepoint <= 0x10FFFF); assert(0x00 <= codepoint and codepoint <= 0x10FFFF);
@ -6563,56 +6442,49 @@ class serializer
{ {
switch (s[i]) switch (s[i])
{ {
// quotation mark (0x22) case '"': // quotation mark (0x22)
case '"':
{ {
result[pos + 1] = '"'; result[pos + 1] = '"';
pos += 2; pos += 2;
break; break;
} }
// reverse solidus (0x5c) case '\\': // reverse solidus (0x5c)
case '\\':
{ {
// nothing to change // nothing to change
pos += 2; pos += 2;
break; break;
} }
// backspace (0x08) case '\b': // backspace (0x08)
case '\b':
{ {
result[pos + 1] = 'b'; result[pos + 1] = 'b';
pos += 2; pos += 2;
break; break;
} }
// formfeed (0x0c) case '\f': // formfeed (0x0c)
case '\f':
{ {
result[pos + 1] = 'f'; result[pos + 1] = 'f';
pos += 2; pos += 2;
break; break;
} }
// newline (0x0a) case '\n': // newline (0x0a)
case '\n':
{ {
result[pos + 1] = 'n'; result[pos + 1] = 'n';
pos += 2; pos += 2;
break; break;
} }
// carriage return (0x0d) case '\r': // carriage return (0x0d)
case '\r':
{ {
result[pos + 1] = 'r'; result[pos + 1] = 'r';
pos += 2; pos += 2;
break; break;
} }
// horizontal tab (0x09) case '\t': // horizontal tab (0x09)
case '\t':
{ {
result[pos + 1] = 't'; result[pos + 1] = 't';
pos += 2; pos += 2;
@ -6780,7 +6652,7 @@ class serializer
// negative value indicates an error // negative value indicates an error
assert(len > 0); assert(len > 0);
// check if buffer was large enough // check if buffer was large enough
assert(static_cast<size_t>(len) < number_buffer.size()); assert(static_cast<std::size_t>(len) < number_buffer.size());
// erase thousands separator // erase thousands separator
if (thousands_sep != '\0') if (thousands_sep != '\0')
@ -6805,7 +6677,7 @@ class serializer
} }
} }
o->write_characters(number_buffer.data(), static_cast<size_t>(len)); o->write_characters(number_buffer.data(), static_cast<std::size_t>(len));
// determine if need to append ".0" // determine if need to append ".0"
const bool value_is_int_like = const bool value_is_int_like =
@ -8710,9 +8582,7 @@ class basic_json
} }
default: default:
{
break; break;
}
} }
switch (m_type) switch (m_type)
@ -8762,10 +8632,8 @@ class basic_json
} }
default: default:
{
JSON_THROW(invalid_iterator::create(206, "cannot construct with iterators from " + JSON_THROW(invalid_iterator::create(206, "cannot construct with iterators from " +
std::string(first.m_object->type_name()))); std::string(first.m_object->type_name())));
}
} }
assert_invariant(); assert_invariant();
@ -8851,9 +8719,7 @@ class basic_json
} }
default: default:
{
break; break;
}
} }
assert_invariant(); assert_invariant();
@ -10648,9 +10514,7 @@ class basic_json
} }
default: default:
{
JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name())));
}
} }
return result; return result;
@ -10758,9 +10622,7 @@ class basic_json
} }
default: default:
{
JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name())));
}
} }
return result; return result;
@ -11529,9 +11391,7 @@ class basic_json
} }
default: default:
{
break; break;
}
} }
} }
@ -12238,41 +12098,31 @@ class basic_json
switch (lhs_type) switch (lhs_type)
{ {
case value_t::array: case value_t::array:
{
return (*lhs.m_value.array == *rhs.m_value.array); return (*lhs.m_value.array == *rhs.m_value.array);
}
case value_t::object: case value_t::object:
{
return (*lhs.m_value.object == *rhs.m_value.object); return (*lhs.m_value.object == *rhs.m_value.object);
}
case value_t::null: case value_t::null:
{
return true; return true;
}
case value_t::string: case value_t::string:
{
return (*lhs.m_value.string == *rhs.m_value.string); return (*lhs.m_value.string == *rhs.m_value.string);
}
case value_t::boolean: case value_t::boolean:
{
return (lhs.m_value.boolean == rhs.m_value.boolean); return (lhs.m_value.boolean == rhs.m_value.boolean);
}
case value_t::number_integer: case value_t::number_integer:
{
return (lhs.m_value.number_integer == rhs.m_value.number_integer); return (lhs.m_value.number_integer == rhs.m_value.number_integer);
}
case value_t::number_unsigned: case value_t::number_unsigned:
{
return (lhs.m_value.number_unsigned == rhs.m_value.number_unsigned); return (lhs.m_value.number_unsigned == rhs.m_value.number_unsigned);
}
case value_t::number_float: case value_t::number_float:
{
return (lhs.m_value.number_float == rhs.m_value.number_float); return (lhs.m_value.number_float == rhs.m_value.number_float);
}
default: default:
{
return false; return false;
}
} }
} }
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float) else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float)
@ -12402,41 +12252,31 @@ class basic_json
switch (lhs_type) switch (lhs_type)
{ {
case value_t::array: case value_t::array:
{
return (*lhs.m_value.array) < (*rhs.m_value.array); return (*lhs.m_value.array) < (*rhs.m_value.array);
}
case value_t::object: case value_t::object:
{
return *lhs.m_value.object < *rhs.m_value.object; return *lhs.m_value.object < *rhs.m_value.object;
}
case value_t::null: case value_t::null:
{
return false; return false;
}
case value_t::string: case value_t::string:
{
return *lhs.m_value.string < *rhs.m_value.string; return *lhs.m_value.string < *rhs.m_value.string;
}
case value_t::boolean: case value_t::boolean:
{
return lhs.m_value.boolean < rhs.m_value.boolean; return lhs.m_value.boolean < rhs.m_value.boolean;
}
case value_t::number_integer: case value_t::number_integer:
{
return lhs.m_value.number_integer < rhs.m_value.number_integer; return lhs.m_value.number_integer < rhs.m_value.number_integer;
}
case value_t::number_unsigned: case value_t::number_unsigned:
{
return lhs.m_value.number_unsigned < rhs.m_value.number_unsigned; return lhs.m_value.number_unsigned < rhs.m_value.number_unsigned;
}
case value_t::number_float: case value_t::number_float:
{
return lhs.m_value.number_float < rhs.m_value.number_float; return lhs.m_value.number_float < rhs.m_value.number_float;
}
default: default:
{
return false; return false;
}
} }
} }
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float) else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float)
@ -14105,9 +13945,7 @@ json_pointer::get_and_create(NLOHMANN_BASIC_JSON_TPL& j) const
single value; that is, with an empty list of reference tokens. single value; that is, with an empty list of reference tokens.
*/ */
default: default:
{
JSON_THROW(detail::type_error::create(313, "invalid value to unflatten")); JSON_THROW(detail::type_error::create(313, "invalid value to unflatten"));
}
} }
} }
@ -14179,9 +14017,7 @@ json_pointer::get_unchecked(NLOHMANN_BASIC_JSON_TPL* ptr) const
} }
default: default:
{
JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
}
} }
} }
@ -14235,9 +14071,7 @@ json_pointer::get_checked(NLOHMANN_BASIC_JSON_TPL* ptr) const
} }
default: default:
{
JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
}
} }
} }
@ -14292,9 +14126,7 @@ json_pointer::get_unchecked(const NLOHMANN_BASIC_JSON_TPL* ptr) const
} }
default: default:
{
JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
}
} }
} }
@ -14348,9 +14180,7 @@ json_pointer::get_checked(const NLOHMANN_BASIC_JSON_TPL* ptr) const
} }
default: default:
{
JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
}
} }
} }
@ -14491,9 +14321,10 @@ struct hash<nlohmann::json>
}; };
/// specialization for std::less<value_t> /// specialization for std::less<value_t>
/// @note: do not remove the space after '<',
/// see https://github.com/nlohmann/json/pull/679
template<> template<>
struct less< ::nlohmann::detail::value_t> // do not remove the space after '<', struct less< ::nlohmann::detail::value_t>
// see https://github.com/nlohmann/json/pull/679
{ {
/*! /*!
@brief compare two value_t enum values @brief compare two value_t enum values