Constant lexical_util::format::D_LITERAL

pub const D_LITERAL: u128 = NumberFormatBuilder::new()
    .digit_separator(num::NonZeroU8::new(b'_'))
    .no_special(true)
    .no_integer_leading_zeros(true)
    .internal_digit_separator(true)
    .trailing_digit_separator(true)
    .consecutive_digit_separator(true)
    .build(); // 202_824_096_038_269_144_943_822_293_177_356u128

Number format for a D literal floating-point number.