---input---
{
    integer: 123,
    withFractionPart: 123.456,
    onlyFractionPart: .456,
    withExponent: 123e-456,
    
    positiveHex: 0xdecaf,
    negativeHex: -0xC0FFEE,
    
    positiveInfinity: Infinity,
    negativeInfinity: -Infinity,
    notANumber: NaN,
}

---tokens---
'{'           Punctuation
'\n    '      Text.Whitespace
'integer'     Name.Variable
':'           Punctuation
' '           Text.Whitespace
'123'         Literal.Number.Float
','           Punctuation
'\n    '      Text.Whitespace
'withFractionPart' Name.Variable
':'           Punctuation
' '           Text.Whitespace
'123.4'       Literal.Number.Float
'56'          Literal.Number.Float
','           Punctuation
'\n    '      Text.Whitespace
'onlyFractionPart' Name.Variable
':'           Punctuation
' '           Text.Whitespace
'.456'        Literal.Number.Float
','           Punctuation
'\n    '      Text.Whitespace
'withExponent' Name.Variable
':'           Punctuation
' '           Text.Whitespace
'123e-456'    Literal.Number.Float
','           Punctuation
'\n    \n    ' Text.Whitespace
'positiveHex' Name.Variable
':'           Punctuation
' '           Text.Whitespace
'0xdecaf'     Literal.Number.Hex
','           Punctuation
'\n    '      Text.Whitespace
'negativeHex' Name.Variable
':'           Punctuation
' '           Text.Whitespace
'-0xC0FFEE'   Literal.Number.Hex
','           Punctuation
'\n    \n    ' Text.Whitespace
'positiveInfinity' Name.Variable
':'           Punctuation
' '           Text.Whitespace
'Infinity'    Keyword
','           Punctuation
'\n    '      Text.Whitespace
'negativeInfinity' Name.Variable
':'           Punctuation
' '           Text.Whitespace
'-Infinity'   Keyword
','           Punctuation
'\n    '      Text.Whitespace
'notANumber'  Name.Variable
':'           Punctuation
' '           Text.Whitespace
'NaN'         Keyword
','           Punctuation
'\n'          Text.Whitespace

'}'           Punctuation
'\n'          Text.Whitespace