Function hangeul::is_jongseong

pub fn is_jongseong(code: u32) -> bool

Checks if a char is a tail jamo, or jongseong (종성).

use hangeul::is_jongseong; //is_tail

assert_eq!(false, is_jongseong('ㅉ' as u32));
assert_eq!(false, is_jongseong('ㅏ' as u32));
assert_eq!(true, is_jongseong('ㄵ' as u32));