Решение на упр.03 задача 1 от Ивайло Андреев

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Код

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

let words = text.split_ascii_whitespace();

let mut res: Vec<String> = Vec::new();

for curr_word in words {

let transformed_word = if curr_word == word {

let mut chars_from_palette: Vec<String> = Vec::new();

for i in 0..curr_word.chars().count() {

let curr_letter = palette[i % palette.len()];

chars_from_palette.push(curr_letter.to_string());

}

chars_from_palette.join("")

} else {

curr_word.to_string()

};

res.push(transformed_word);

}

res.join(" ")

}

Лог от изпълнението

Updating crates.io index
     Locking 17 packages to latest compatible versions
   Compiling proc-macro2 v1.0.103
   Compiling quote v1.0.41
   Compiling unicode-ident v1.0.22
   Compiling futures-core v0.3.31
   Compiling futures-sink v0.3.31
   Compiling futures-channel v0.3.31
   Compiling memchr v2.7.6
   Compiling syn v2.0.108
   Compiling pin-project-lite v0.2.16
   Compiling pin-utils v0.1.0
   Compiling futures-io v0.3.31
   Compiling slab v0.4.11
   Compiling futures-task v0.3.31
   Compiling solution v0.1.0 (/tmp/d20251030-1757769-lim48a/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: `solution` (lib) generated 1 warning
   Compiling futures-macro v0.3.31
   Compiling futures-util v0.3.31
   Compiling futures-executor v0.3.31
   Compiling futures v0.3.31
    Finished `test` profile [unoptimized + debuginfo] target(s) in 8.74s
     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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