Function blockish::render_write_eol_buffer

pub fn render_write_eol_buffer(
    width: u32, 
    coordinate_to_rgb: &dyn Fn(u32, u32) -> (u8, u8, u8), 
    write_eol: bool, 
    top: u32, 
    bottom: u32, 
    buffer: &mut [u8]
) -> u64