Function validate

src/pointer.rs:1353–1361

(value: &str)

impl std::error::Error for ReplaceError {}

const fn validate(value: &str) -> Result<&str, ParseError> {
    if value.is_empty() {
        return Ok(value);
    }
    if let Err(err) = validate_bytes(value.as_bytes(), 0) {
        return Err(err);
    }
    Ok(value)
}

const fn validate_bytes(bytes: &[u8], offset: usize) -> Result<(), ParseError> {
    if bytes[0] != b'/' && offset == 0 {