1 use std::fs::{File, OpenOptions};
2 use std::io;
3 use std::path::Path;
4 
not_supported<T>() -> io::Result<T>5 fn not_supported<T>() -> io::Result<T> {
6     Err(io::Error::new(
7         io::ErrorKind::Other,
8         "operation not supported on this platform",
9     ))
10 }
11 
create_named( _path: &Path, _open_options: &mut OpenOptions, _permissions: Option<&std::fs::Permissions>, ) -> io::Result<File>12 pub fn create_named(
13     _path: &Path,
14     _open_options: &mut OpenOptions,
15     _permissions: Option<&std::fs::Permissions>,
16 ) -> io::Result<File> {
17     not_supported()
18 }
19 
create(_dir: &Path) -> io::Result<File>20 pub fn create(_dir: &Path) -> io::Result<File> {
21     not_supported()
22 }
23 
reopen(_file: &File, _path: &Path) -> io::Result<File>24 pub fn reopen(_file: &File, _path: &Path) -> io::Result<File> {
25     not_supported()
26 }
27 
persist(_old_path: &Path, _new_path: &Path, _overwrite: bool) -> io::Result<()>28 pub fn persist(_old_path: &Path, _new_path: &Path, _overwrite: bool) -> io::Result<()> {
29     not_supported()
30 }
31 
keep(_path: &Path) -> io::Result<()>32 pub fn keep(_path: &Path) -> io::Result<()> {
33     not_supported()
34 }
35