Kivanc Gunalp 316311e08c Add file I/O exercises (file_io1-3) ...

Adds three new exercises under exercises/24_file_io/, as proposed in rust-lang/rustlings#2233:

- file_io1: read a whole file with fs::read_to_string and handle the Result.
- file_io2: read/write a file efficiently with BufReader/BufWriter.
- file_io3: build a path with PathBuf and inspect it with .metadata().

Includes matching solutions and a README describing the learning goal of
each exercise.

2026-07-26 15:09:01 +00:00

..

file_io1.rs

Add file I/O exercises (file_io1-3)

2026-07-26 15:09:01 +00:00

file_io2.rs

Add file I/O exercises (file_io1-3)

2026-07-26 15:09:01 +00:00

file_io3.rs

Add file I/O exercises (file_io1-3)

2026-07-26 15:09:01 +00:00