Method escaped_char_len

crates/literal/src/escape.rs:200–215

(ch: CodePoint)

    }

    fn escaped_char_len(ch: CodePoint) -> usize {
        // surrogates are \uHHHH
        let Some(ch) = ch.to_char() else { return 6 };
        match ch {
            '\\' | '\t' | '\r' | '\n' => 2,
            ch if ch < ' ' || ch as u32 == 0x7f => 4, // \xHH
            ch if ch.is_ascii() => 1,
            ch if crate::char::is_printable(ch) => {
                // max = std::cmp::max(ch, max);
                ch.len_utf8()
            }
            ch if (ch as u32) < 0x100 => 4,   // \xHH
            ch if (ch as u32) < 0x10000 => 6, // \uHHHH
            _ => 10,                          // \uHHHHHHHH
        }
    }

    fn write_char(
        ch: CodePoint,