Constant lexical_parse_integer::format::FSHARP_LITERAL

pub const FSHARP_LITERAL: u128 = NumberFormatBuilder::new().digit_separator(num::NonZeroU8::new(b'_')).required_integer_digits(true).required_exponent_digits(true).case_sensitive_special(true).internal_digit_separator(true).consecutive_digit_separator(true).build(); // 0x0000_0a00_0000_005f_0000_0e07_0000_080du128

Number format for a F# literal floating-point number.