Function process_file_lines 

pub fn process_file_lines<F>(
    file_name: &str,
    f: F,
) -> Result<(), Box<dyn Error>>
where
    F: FnMut(&str),

Processes each line of a file with a given function.

Arguments

• file_name - The path to the file to process.
• f - A function to apply to each line of the file.

Returns

A Result indicating success or an error if the file could not be read.

Examples

let mut i: i32 = 1;
let _ = ys1r::io::process_file_lines("Cargo.toml", |line| {
  println!("{}: {}", i, line.replace("y", "Y"));
  i += 1;
});