Function truncate_string 

pub fn truncate_string(s: &str, max_len: usize) -> String

Truncate a string to a maximum length

Examples

use things3_common::truncate_string;

assert_eq!(truncate_string("hello world", 5), "he...");
assert_eq!(truncate_string("hi", 10), "hi");
assert_eq!(truncate_string("test", 3), "...");