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Fix #1147 - No more open_mode method #1164

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Mar 7, 2019
Merged

Fix #1147 - No more open_mode method #1164

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20 changes: 8 additions & 12 deletions src/std_misc/file/create.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,8 @@ already existed, the old content is destroyed. Otherwise, a new file is
created.

```rust,ignore
static LOREM_IPSUM: &'static str =
"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
static LOREM_IPSUM: &str =
"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
Expand All @@ -15,8 +15,8 @@ proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
";

use std::error::Error;
use std::io::prelude::*;
use std::fs::File;
use std::io::prelude::*;
use std::path::Path;

fn main() {
Expand All @@ -25,18 +25,13 @@ fn main() {

// Open a file in write-only mode, returns `io::Result<File>`
let mut file = match File::create(&path) {
Err(why) => panic!("couldn't create {}: {}",
display,
why.description()),
Err(why) => panic!("couldn't create {}: {}", display, why.description()),
Ok(file) => file,
};

// Write the `LOREM_IPSUM` string to `file`, returns `io::Result<()>`
match file.write_all(LOREM_IPSUM.as_bytes()) {
Err(why) => {
panic!("couldn't write to {}: {}", display,
why.description())
},
Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
Ok(_) => println!("successfully wrote to {}", display),
}
}
Expand All @@ -60,5 +55,6 @@ proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
(As in the previous example, you are encouraged to test this example under
failure conditions.)

There is also a more generic `open_mode` method that can open files in other
modes like: read+write, append, etc.
There is [`OpenOptions`] struct that can be used to configure how a file is opened.

[`OpenOptions`]: https://doc.rust-lang.org/std/fs/struct.OpenOptions.html