diff options
Diffstat (limited to 'vendor/scopeguard/examples')
-rw-r--r-- | vendor/scopeguard/examples/readme.rs | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/vendor/scopeguard/examples/readme.rs b/vendor/scopeguard/examples/readme.rs deleted file mode 100644 index c4567e5..0000000 --- a/vendor/scopeguard/examples/readme.rs +++ /dev/null @@ -1,29 +0,0 @@ -#[macro_use(defer)] -extern crate scopeguard; - -use scopeguard::guard; - -fn f() { - defer! { - println!("Called at return or panic"); - } - panic!(); -} - -use std::fs::File; -use std::io::Write; - -fn g() { - let f = File::create("newfile.txt").unwrap(); - let mut file = guard(f, |f| { - // write file at return or panic - let _ = f.sync_all(); - }); - // access the file through the scope guard itself - file.write_all(b"test me\n").unwrap(); -} - -fn main() { - f(); - g(); -} |