Function is_ident_start

perro_website/src/highlight.rs:256–258

(ch: char)

            i += 1;
            while i < chars.len() && is_ident_continue(chars[i]) {
                i += 1;
            }
            push_span(&mut out, "tok-life", &chars[start..i]);
        } else if ch == '\'' {
            let start = i;
            i += 1;