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@@ -30,18 +30,18 @@ the type to use.
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## Notes
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#### Default type
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### Default type
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With the default values for `NumberUnsignedType` (`std::uint64_t`), the default value for `number_unsigned_t` is
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`#!cpp std::uint64_t`.
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#### Default behavior
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### Default behavior
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- The restrictions about leading zeros are not enforced in C++. Instead, leading zeros in integer literals lead to an
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interpretation as an octal number. Internally, the value will be stored as a decimal number. For instance, the C++
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integer literal `010` will be serialized to `8`. During deserialization, leading zeros yield an error.
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#### Limits
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### Limits
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[RFC 8259](https://tools.ietf.org/html/rfc8259) specifies:
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> An implementation may set limits on the range and precision of numbers.
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@@ -58,7 +58,7 @@ as [`number_integer_t`](number_integer_t.md) or [`number_float_t`](number_float_
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As this range is a subrange (when considered in conjunction with the `number_integer_t` type) of the exactly supported
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range [0, UINT64_MAX], this class's integer type is interoperable.
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#### Storage
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### Storage
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Integer number values are stored directly inside a `basic_json` type.
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@@ -78,6 +78,13 @@ Integer number values are stored directly inside a `basic_json` type.
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--8<-- "examples/number_unsigned_t.output"
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```
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## See also
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- [number_integer_t](number_integer_t.md) the type used to store JSON integer numbers
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- [number_float_t](number_float_t.md) the type used to store JSON floating-point numbers
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- [is_number_unsigned](is_number_unsigned.md) checks whether the JSON value is an unsigned integer number
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- [Number Handling](../../features/types/number_handling.md) - the article on number handling
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## Version history
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- Added in version 2.0.0.
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