win-base64-rust-stringify-unwrap.rs

pub fn stringify_buffer(buffer: &IBuffer) -> windows::core::Result<String> {
    let buffer_length = buffer.Length()?;

    let reader: DataReader = DataReader::FromBuffer(buffer)?;

    // Create an array of the correct size
    let mut temp: Vec<u8> = vec![0; buffer_length as usize];

    // Read bytes into the array
    // This now contains our buffer
    reader.ReadBytes(temp.as_mut())?;

    let string = String::from_utf8(temp).unwrap();
    Ok(string)
}