Constant lexical_util::format::D_STRING

pub const D_STRING: u128 = NumberFormatBuilder::new()
    .digit_separator(num::NonZeroU8::new(b'_'))
    .integer_internal_digit_separator(true)
    .fraction_internal_digit_separator(true)
    .integer_trailing_digit_separator(true)
    .fraction_trailing_digit_separator(true)
    .build(); // 202_824_096_038_269_144_927_312_438_886_412u128

Number format to parse a D float from string.