Решение на упр.02 задача 3 от Ясин Йосифов
Резултати
- 1 точка от тестове
- 0 бонус точки
- 1 точка общо
- 1 успешни тест(а)
- 0 неуспешни тест(а)
Код
fn split_string_at(s: String, n: usize) -> (String, String) {
// подадения низ се премества в аргумента s и се унищожава в края на функцията
// тоест трябва да създадем нови низове
(String::from(&s[..n]), String::from(&s[n..]))
}
fn split_slice_at(s: &str, n: usize) -> (&str, &str) {
// подаденият низ ни е по референция, можем да върнем референция
(&s[..n], &s[n..])
}
fn split_slice_mut_at(s: &mut str, n: usize) -> (String, String) {
// не можем да върнем (&str, &str), зашото не можем да създаваме нови референции
(String::from(&s[..n]), String::from(&s[n..]))
}
Лог от изпълнението
Updating crates.io index
Locking 17 packages to latest compatible versions
Compiling proc-macro2 v1.0.102
Compiling unicode-ident v1.0.20
Compiling quote v1.0.41
Compiling futures-sink v0.3.31
Compiling futures-core v0.3.31
Compiling futures-channel v0.3.31
Compiling memchr v2.7.6
Compiling syn v2.0.108
Compiling futures-task v0.3.31
Compiling pin-project-lite v0.2.16
Compiling futures-io v0.3.31
Compiling slab v0.4.11
Compiling pin-utils v0.1.0
Compiling solution v0.1.0 (/tmp/d20251023-1757769-o7cksp/solution)
warning: function `split_string_at` is never used
--> src/lib.rs:1:4
|
1 | fn split_string_at(s: String, n: usize) -> (String, String) {
| ^^^^^^^^^^^^^^^
|
= note: `#[warn(dead_code)]` on by default
warning: function `split_slice_at` is never used
--> src/lib.rs:7:4
|
7 | fn split_slice_at(s: &str, n: usize) -> (&str, &str) {
| ^^^^^^^^^^^^^^
warning: function `split_slice_mut_at` is never used
--> src/lib.rs:12:4
|
12 | fn split_slice_mut_at(s: &mut str, n: usize) -> (String, String) {
| ^^^^^^^^^^^^^^^^^^
warning: `solution` (lib) generated 3 warnings
Compiling futures-macro v0.3.31
Compiling futures-util v0.3.31
Compiling futures-executor v0.3.31
Compiling futures v0.3.31
warning: function `split_slice_mut_at` is never used
--> tests/../src/lib.rs:12:4
|
12 | fn split_slice_mut_at(s: &mut str, n: usize) -> (String, String) {
| ^^^^^^^^^^^^^^^^^^
|
= note: `#[warn(dead_code)]` on by default
warning: `solution` (test "solution_test") generated 1 warning
Finished `test` profile [unoptimized + debuginfo] target(s) in 11.88s
Running tests/solution_test.rs (target/debug/deps/solution_test-fc1324dc0157cdc7)
running 1 test
test solution_test::test_basic ... ok
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s