Function function_pointers

Rust/notes.rs:326–341

()

}

fn function_pointers(){
    println!("\n======================================================================");
    println!("* FUNCTION POINTERS: ");

    // ------------------------------------------------
    // Function pointers, Usage as a Data Type
    // Call function without type declaration.
    let p1 = plus_one;
    println!("  - let p1 = plus_one;              // Call function without type declaration");
    println!("    p1(5): {}", p1(5));

    //Call function With type declarations.
    let p1: fn(i32) -> i32 = plus_one;
    println!("  - let p1: fn(i32) -> i32 = plus_one;  // Call function With type declarations");
    println!("    p1(5): {}", p1(5));
}

// -----------------------