Constant lexical_core::format::CXX20_HEX_LITERAL

pub const CXX20_HEX_LITERAL: u128 = NumberFormatBuilder::new().required_exponent_notation(true).digit_separator(num::NonZeroU8::new(b'\'')).mantissa_radix(16).exponent_base(num::NonZeroU8::new(2)).exponent_radix(num::NonZeroU8::new(10)).case_sensitive_special(true).internal_digit_separator(true).build(); // 0x0a02_1000_0000_0027_0000_0007_0000_480cu128

Number format for a C++20 literal hexadecimal floating-point number.