meetupEj0125Ene24.rs

/*
   https://play.rust-lang.org
   https://t.me/RustMX
   
*/
fn f1( p0:i32) -> i32
{
    let p1 = p0 +1;
    p1*2
}
fn f1_1(mut p0:i32) -> i32
{
    println!("{:p}",&p0);
    p0 = p0 +10;
    p0*5
}
fn f2(mut s:String) 
{
    println!("{:p}",&s);
    s.push('c');
    println!("{}",s);
}
fn f2_1(mut s:String) -> String
{
    s.push('z');
    s
}
fn f3(s: &mut String)
{
    println!("{:p}",s);
    s.push('2');
    println!("{}",s);
   
}
#[derive(Debug)]
struct Estr01
{
    a: i32,
    b: char,
    fl: bool,
    s: String
}


fn main()
{
    let x = 1;
    let mut x0 = x +1;
    x0 = x0 + 2 + x;
    println!("{} {}",x0,x);
    let cadena:String ;
    cadena = String::from("hola mundo Rust");
    println!("{}",cadena);
    let mut cadena2 = String::from("esto no es Java");
    let real = 3.14f32;
    println!("{}",2.0*real);
    let x1=f1(x);
    println!("{}",x1);
    println!("{}",f1_1(x1));
    println!("{}",x1);
    println!("{:p}",&x1);
    println!("{:p}",&cadena2);
    f2(cadena2.clone());
    //cadena2.push('d');
    println!("{}",cadena2);
    let mut cadena2_1 = f2_1(cadena2);
    cadena2_1.push('w');
    println!("{}",cadena2_1);
    let mut cadena3 = String::from("hola referencias");
     println!("{:p}",&cadena3);
    f3(&mut cadena3);
    cadena3.push('!');
    println!("{}",cadena3);
    let mut es01= Estr01{a:5,b:'w',fl:true,s:String::from("de es01")};
    es01.a=10; es01.b='x';
    println!("{:?}",es01);
    
}