Constant lexical_util::format::ELIXIR_LITERAL

pub const ELIXIR_LITERAL: u128 = NumberFormatBuilder::new()
    .digit_separator(num::NonZeroU8::new(b'_'))
    .required_digits(true)
    .no_exponent_without_fraction(true)
    .no_special(true)
    .internal_digit_separator(true)
    .build(); // 202_824_096_038_269_144_926_504_985_036_303u128

Number format for an Elixir literal floating-point number.