Function collect_codepoints

pub fn collect_codepoints<P>(
    s: &str,
    position: &mut usize,
    predicate: P,
) -> String
where
    P: Fn(char) -> bool,

Collects a sequence of Unicode codepoints given a predicate function and position to move forward.

See also: WHATWG Infra Standard definition

Examples

use whatwg_infra::collect_codepoints;

let value = "test1";
let mut position = 0usize;
let collected = collect_codepoints(value, &mut position, |c| c.is_ascii_alphabetic());

assert_eq!(collected, String::from("test"));
assert_eq!(position, 4);