Function buffer_read_file 

pub fn buffer_read_file(path: &Path) -> Option<Buffer>

Reads a buffer from a file.

Example

use bin_buffer::*;
let path = std::path::Path::new("./buffer2.ntbr");
let buffer = vec![0,1,2,3];
buffer_write_file(&path, &buffer);
let read_result = buffer_read_file(&path);
assert_eq!(read_result, Option::Some(buffer));