parseJSON5NumericLiteral

bool parseJSON5NumericLiteral(out  var value,
       const(char)[]  text,
       const  Json5Policy policy =  Json5Policy.init)

@safe

Parse a JSON5 numeric literal from text into out value.

Supported forms (case-sensitive where applicable):

Decimal integers with optional leading sign, e.g., 42, -7, +10.
Hex integers: 0x1f, -0XFF (sign allowed), mapped to LONG/ULONG if fitting, otherwise DOUBLE.
Decimal floats with optional sign and exponent: .5, 5., 1e-3, +2.5e+8.
Special values: NaN, Infinity, with optional leading sign (e.g., -Infinity, +NaN).
Negative zero is preserved when the input is a floating-point form like -0, -0.0, -0e0.
Parameters
value Parsed numeric value.
text Numeric literal text.
policy Integer-sign preference and parse options.

Returns
true on successful parse. On failure, returns false and sets value = var.init.

`value`	Parsed numeric value.
`text`	Numeric literal text.
`policy`	Integer-sign preference and parse options.