Function onigiri::validator::is_punctuation

pub fn is_punctuation(vc: &[char]) -> bool

Validate Vec<char> whether it is punctuation.

use onigiri::validator::is_punctuation;

let test_vc = vec!['+'];

assert_eq!(
    is_punctuation(&test_vc),
    true
);

let test_vc_2 = vec!['-', '2'];

assert_eq!(
    is_punctuation(&test_vc_2),
    false
);

let test_vc_3 = vec!['(', ')'];

assert_eq!(
    is_punctuation(&test_vc_3),
    true
);