rust-obsolete Questions
3
Solved
The tutorial shows some very basic examples of pattern matching, such as matching over an integer to emulate a c-style switch statement. The tutorial also shows how to do basic destructuring over a...
Macfarlane asked 14/2, 2012 at 19:16
4
Editor's note: This question predates Rust 0.1 (tagged 2013-07-03) and is not syntactically valid Rust 1.0 code. Answers may still contain valuable information.
Does anyone know how to create mut...
Citizenship asked 27/10, 2012 at 18:9
4
Solved
What does TypeState refer to in respect to language design? I saw it mentioned in some discussions regarding a new language by mozilla called Rust.
Disembroil asked 9/7, 2010 at 5:22
4
Solved
Editor's note: This code example is from a version of Rust prior to 1.0 and is not syntactically valid Rust 1.0 code. Updated versions of this code produce different errors, but the answers still...
Fanfaron asked 30/10, 2013 at 0:47
3
Solved
This question pertains to a pre-release version of Rust.
This younger question is similar.
I tried to print one symbol with println:
fn main() {
println!('c');
}
But I got next error:
$ rustc ...
Psychophysiology asked 28/4, 2013 at 20:38
2
Solved
I have the following code:
pub mod a {
#[test]
pub fn test() {
println!("{:?}", std::fs::remove_file("Somefilehere"));
}
}
I get errors when I compile this:
error[E0433]: failed to resolve....
Foulmouthed asked 2/5, 2014 at 18:9
4
Solved
Editor's note: This code example is from a version of Rust prior to 1.0 and is not syntactically valid Rust 1.0 code.
Is it possible to share a mutable variable between multiple threads in Rust? G...
Brickwork asked 26/7, 2013 at 17:2
3
Solved
I can see I have to import like this:
use std::io::IoResult;
use std::num::{Int, ToPrimitive};
use std::rand::{OsRng, Rng};
Then make a new instance of OsRng, and try to generate a new u32 int f...
Lagging asked 8/12, 2014 at 16:35
3
Solved
Are there any socket or net libraries for Rust? The net page in the standard library documentation seems to only include address-related functions.
Remsen asked 24/1, 2012 at 9:1
2
Editor's note: The code in this question predates Rust 1.0. The equivalent modern version of this code compiles as-is.
I'm still taking baby steps at learning Rust, and was surprised at the fol...
Anallise asked 3/5, 2014 at 5:48
2
Solved
Editor's note: The code presented in the question compiles as-is in Rust 1.0.
I've tried:
trait Inner {}
struct Outer<'a> {
inner: &'a Inner,
}
but the compiler complains:
Comp...
Rodin asked 14/10, 2014 at 15:14
4
Solved
Editor's note: This code example is from a version of Rust prior to 1.0 and is not syntactically valid Rust 1.0 code. Updated versions of this code produce different errors, but the answers still...
Typography asked 20/5, 2013 at 10:0
3
Solved
Note that this question refers to a version of Rust before Rust 1.0. Although the syntax has changed, the concepts are still valid.
You can easily implement a forwards only linked list using ow...
Handmade asked 8/3, 2014 at 11:43
2
Solved
With today's Rust nightly the following code doesn't compile anymore:
#[derive(Show)]
enum S {
A,
B
}
fn main() {
println!("{}", S::A);
}
Instead it gives me the following error message:
er...
Jagannath asked 10/1, 2015 at 10:7
1
Solved
Can somebody help me to rewrite this piece of code with new unboxed closures:
struct Builder;
pub fn build(rules: |params: &mut Builder|) -> Builder {
let mut builder = Builder::new();
ru...
Hodgkins asked 7/1, 2015 at 8:35
2
Solved
When I run the following code, I get some output:
use std::thread::Thread;
static DELAY: i64 = 1000;
fn main() {
Thread::spawn(move || {
println!("some output");
});
std::io::timer::sleep(s...
Cingulum asked 6/1, 2015 at 17:0
2
Solved
Editor's note: This code no longer produces the same error after RFC 599 was implemented, but the concepts discussed in the answers are still valid.
I'm trying to compile this code:
trait A {
...
Bristol asked 21/9, 2014 at 12:16
1
Note: This question is obsolete since Rust 1.0. The Iterator trait now has an associated type, Item, instead of a type parameter and a blanket Iterator implementation was added for Box<Iterato...
Dvinsk asked 21/8, 2014 at 21:37
2
Solved
I'm wondering what the difference is between:
"some string".to_string()
And
"some string".into_string()
The former seems to come from ToString, which is quite clear.
However, the latter seem...
Jezabella asked 14/8, 2014 at 19:28
1
Solved
I am trying to collect into an vec of strings in rust using the following:
let fields : ~[~str] = row.split_str(",").collect();
I get the following error: expected std::iter::FromIterator<&am...
Davies asked 11/7, 2014 at 3:7
1
Solved
Editor's note: This question was asked before Rust 1.0 and before certain features were implemented. The code as-is works today.
I'm writing a board game AI in Rust. There are multiple rulesets...
Pericynthion asked 23/6, 2014 at 10:12
1
Solved
I have been using 0.10 and recently setup a build of nightly to experiment with Box and friends.
Now I have code for 0.10 using ~str and code for pre0.11 using String because of to_owned being obs...
Laryssa asked 19/6, 2014 at 0:50
1
Solved
Editor's note: This question was asked before Rust 1.0 and uses syntax which is no longer valid. Additionally, the specific problem in this question no longer occurs in Rust 1.0.
There is a str...
Carrycarryall asked 18/4, 2014 at 6:34
1
Editor's note: This code example is from a version of Rust prior to 1.0 and is not syntactically valid Rust 1.0 code. Updated versions of this code produce different errors, but the answers still...
Hardspun asked 27/1, 2014 at 19:25
1
Solved
Note that this question pertains to a version of Rust before 1.0 was released
Do I understand correctly that it is now impossible to return a closure from a function, unless it was provided to ...
Killebrew asked 15/1, 2014 at 6:10
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