Решение на упр.03 задача 1 от Борис Великов

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Към профила на Борис Великов

Код

fn rainbow_replace(text: &str, word: &str, palette: &[char]) -> String {

let mut result = String::new();

let mut palette_iter = palette.iter().cycle();

let mut i = 0; // индекс в текста

while i < text.len() {

let rest = &text[i..];

if rest.starts_with(word) {

// намерихме думата

for _ in word.chars() {

result.push(*palette_iter.next().unwrap());

}

i += word.len();

} else {

// добавяме символ от остатъка

let ch = rest.chars().next().unwrap();

result.push(ch);

i += ch.len_utf8();

}

}

result

}

fn main() {

assert_eq!(

rainbow_replace("плодова салата", "плодова", &['🍆', '🍎', '🍒']),

"🍆🍎🍒🍆🍎🍒🍆 салата".to_string(),

);

}

Лог от изпълнението

Updating crates.io index
     Locking 17 packages to latest compatible versions
   Compiling proc-macro2 v1.0.103
   Compiling unicode-ident v1.0.22
   Compiling quote v1.0.41
   Compiling futures-core v0.3.31
   Compiling futures-sink v0.3.31
   Compiling futures-channel v0.3.31
   Compiling slab v0.4.11
   Compiling memchr v2.7.6
   Compiling syn v2.0.108
   Compiling futures-io v0.3.31
   Compiling pin-project-lite v0.2.16
   Compiling futures-task v0.3.31
   Compiling pin-utils v0.1.0
   Compiling solution v0.1.0 (/tmp/d20251030-1757769-zdjn8z/solution)
warning: function `rainbow_replace` is never used
 --> src/lib.rs:1:4
  |
1 | fn rainbow_replace(text: &str, word: &str, palette: &[char]) -> String {
  |    ^^^^^^^^^^^^^^^
  |
  = note: `#[warn(dead_code)]` on by default

warning: function `main` is never used
  --> src/lib.rs:23:4
   |
23 | fn main() {
   |    ^^^^

warning: `solution` (lib) generated 2 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 `main` is never used
  --> tests/../src/lib.rs:23:4
   |
23 | fn main() {
   |    ^^^^
   |
   = note: `#[warn(dead_code)]` on by default

warning: `solution` (test "solution_test") generated 1 warning
    Finished `test` profile [unoptimized + debuginfo] target(s) in 12.55s
     Running tests/solution_test.rs (target/debug/deps/solution_test-bfd50394249726db)

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

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