Rust, while primarily a systems programming language, incorporates several features that support functional programming paradigms. Functional programming emphasizes immutability, pure functions, and the use of higher-order functions. Rust embraces these concepts and provides functional programming capabilities through various language features. Let's explore how Rust supports functional programming and provide examples:
1. Immutable variables and data:
* Rust encourages immutability by default. Variables are immutable unless explicitly marked as mutable using the `mut` keyword. This promotes the use of immutable data and reduces the chances of unintended modifications.
* Example:
```
rust`let x = 5; // Immutable variable
// x = 10; // This will result in a compile-time error since x is immutable`
```
2. Pure functions:
* Pure functions in Rust do not have side effects and always produce the same output for the same input. They rely only on the values passed as arguments and do not modify ext....
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