Constant lexical_write_float::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(); // 0x0000_0a00_0000_005f_0000_0007_0000_060fu128

Number format for an Elixir literal floating-point number.