Function load_backup 

pub fn load_backup(path: &Path) -> Result<Vec<u8>>

Load file content into memory as a backup before editing.

Reads the entire file content into a byte vector. This is used to detect if the file was actually modified by comparing before/after content.

Arguments

• path - Path to the file to backup

Returns

• Ok(Vec<u8>) containing the file content
• Err if:
  • File does not exist
  • Permission denied reading the file
  • I/O error occurs

Examples

let backup = load_backup(Path::new(".beans/1-my-task.md"))?;