Sha256: d00fe19aecd7ca1632bcf176306f7a13ed8fdefa890761aa2c532f8c97532a33
Contents?: true
Size: 492 Bytes
Versions: 8
Compression:
Stored size: 492 Bytes
Contents
#[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();
}
Version data entries
8 entries across 8 versions & 1 rubygems