Constant lexical::format::TRAILING_DIGIT_SEPARATOR  
source · pub const TRAILING_DIGIT_SEPARATOR: u128 = _; // 1_924_145_348_608u128Expand description
A digit separator is allowed after any digits.
pub const TRAILING_DIGIT_SEPARATOR: u128 = _; // 1_924_145_348_608u128A digit separator is allowed after any digits.