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Augusto
3 years ago
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" |
||||
|
||||
[[package]] |
||||
name = "winapi-util" |
||||
version = "0.1.5" |
||||
source = "registry+https://github.com/rust-lang/crates.io-index" |
||||
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178" |
||||
dependencies = [ |
||||
"winapi", |
||||
] |
||||
|
||||
[[package]] |
||||
name = "winapi-x86_64-pc-windows-gnu" |
||||
version = "0.4.0" |
||||
source = "registry+https://github.com/rust-lang/crates.io-index" |
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" |
||||
@ -0,0 +1,10 @@
|
||||
[package] |
||||
name = "doubtful_test" |
||||
version = "0.1.0" |
||||
authors = ["Augusto <aug.ornelas@gmail.com>"] |
||||
edition = "2018" |
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html |
||||
|
||||
[dependencies] |
||||
doubtful = { path = "../../../../rust-piscine-solutions/doubtful" } |
||||
@ -0,0 +1,31 @@
|
||||
/* |
||||
## doubtful |
||||
|
||||
### Instructions |
||||
|
||||
Write a function called `doubtful` that adds to every string passed |
||||
to it a question mark (?) |
||||
|
||||
You have to fix the code to make it compile an for that you can |
||||
only modify the code where is indicated |
||||
*/ |
||||
|
||||
use doubtful::*; |
||||
|
||||
fn main() { |
||||
let mut s = String::from("Hello"); |
||||
|
||||
println!("Before changing the string: {}", s); |
||||
doubtful(&mut s); |
||||
println!("After changing the string: {}", s); |
||||
} |
||||
|
||||
#[test] |
||||
fn test_function() { |
||||
let mut s = "hello".to_string(); |
||||
let s_copy = s.clone(); |
||||
|
||||
doubtful(&mut s); |
||||
|
||||
assert_eq!(s, s_copy + "?"); |
||||
} |
||||
@ -0,0 +1,37 @@
|
||||
## doubtful |
||||
|
||||
### Instructions |
||||
|
||||
Write a function called `doubtful` that adds to every string passed to it a question mark (?) |
||||
|
||||
You have to fix the code to make it compile an for that you can only modify the code where is indicated |
||||
|
||||
### Expected |
||||
|
||||
```rust |
||||
pub fn doubtful(s: &mut String) { |
||||
} |
||||
``` |
||||
|
||||
### Usage |
||||
|
||||
Here is a program to test your function |
||||
|
||||
```rust |
||||
fn main() { |
||||
let mut s = String::from("Hello"); |
||||
|
||||
println!("Before changing the string: {}", s); |
||||
doubtful(&mut s); |
||||
println!("After changing the string: {}", s); |
||||
} |
||||
``` |
||||
|
||||
And its output |
||||
|
||||
```console |
||||
student@ubuntu:~/[[ROOT]]/test$ cargo run |
||||
Before changing the string: Hello |
||||
After changing the string: Hello? |
||||
student@ubuntu:~/[[ROOT]]/test$ |
||||
``` |
||||
Loading…
Reference in new issue