Function is_rust_keyword

perro_website/src/highlight.rs:264–305

(ident: &str)

            while i < chars.len() {
                if chars[i] == '\\' {
                    i = (i + 2).min(chars.len());
                } else {
                    let done = chars[i] == '\'';
                    i += 1;
                    if done {
                        break;
                    }
                }
            }
            push_span(&mut out, "tok-str", &chars[start..i]);
        } else if ch.is_ascii_digit() {
            let start = i;
            i += 1;
            while i < chars.len()
                && (chars[i].is_ascii_alphanumeric()
                    || chars[i] == '_'
                    || chars[i] == '.'
                    || chars[i] == ':')
            {
                i += 1;
            }
            push_span(&mut out, "tok-num", &chars[start..i]);
        } else if is_ident_start(ch) {
            let start = i;
            i += 1;
            while i < chars.len() && is_ident_continue(chars[i]) {
                i += 1;
            }
            let ident = chars[start..i].iter().collect::<String>();
            if chars.get(i) == Some(&'!') {
                i += 1;
                push_span(&mut out, "tok-macro", &chars[start..i]);
            } else if is_rust_keyword(&ident) {
                push_span(&mut out, "tok-kw", &chars[start..i]);
            } else if is_builtin_type(&ident)
                || ident.chars().next().is_some_and(char::is_uppercase)
            {
                push_span(&mut out, "tok-type", &chars[start..i]);
            } else {
                push_escaped_chars(&mut out, &chars[start..i]);
            }
        } else {
            push_escaped_char(&mut out, ch);
            i += 1;
        }