42 lines
514 B
Markdown
42 lines
514 B
Markdown
# Vector.
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# Create.
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## Using macro.
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```rust
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let array: [i32; 4] = [10, 20, 30, 40];
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let vector: Vec<i32> = vec!(10, 20, 30, 40);
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```
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# Iterate.
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## For-each.
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```rust
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for (item in vector.iter()) {} // Immutable iterate.
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for (item in vector.iter_mut()) {} // Mutable iterate.
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```
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## Map.
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```rust
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vector.iter().map(|element| {}).collect()
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```
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# Copy.
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## Clone.
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You can clone a Vec in cases when you need to modify a copy.
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```rust
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foo(vector.clone())
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```
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# Push (append).
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```rust
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vector.push(4);
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```
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