Borrowing is a fundamental concept in Rust's ownership system, allowing safe and controlled access to data without transferring ownership. It enables multiple parts of code to interact with data without compromising memory safety or introducing data races. Borrowing in Rust comes in two forms: immutable borrowing and mutable borrowing.
Immutable Borrowing:
1. Definition:
- Immutable borrowing allows multiple parts of the code to read from the data simultaneously but prevents any of them from modifying it.
2. Syntax:
- Denoted by the use of an ampersand (`&`) before the variable or data being borrowed.
3. Example:
```rust
fn print_data(data: &i32) {
println!("Immutable Borrowed Data: {}", data);
}
fn main() {
let value = 42;
print_data(&value); // Immutable borrowing
}
```
4. Rules:
- Multiple immutable borrows can exist simultaneously.
- Immutable borrows have a relaxed set of ru....
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