meetupEj0225Ene24.rs

/*
   https://t.me/RustMX
*/
use std::collections::HashMap;

fn d1(x:i32)->Result<i32,u32>
{
    if x >0 
    {
       Ok(x + 5)
    }
    else 
    {
       Err(500)
    }
}
fn main()
{
    let mut vec01:Vec<i32> = Vec::new();
    vec01.push(2);
    for i in 101..110
    {
        vec01.push(i);
    }
    println!("{:?}",vec01);
    println!("{}",vec01.len());
    
    let mut hsh1: HashMap<String,i32> = HashMap::new();
    hsh1.insert(String::from("CUTG"),1000);
    hsh1.insert(String::from("TOMD"),2000);
    hsh1.insert(String::from("CADF"),3000);
    println!("{:?}",hsh1);
    let v1= hsh1.get("CUTG");
    println!("{:?}",v1);
    match v1 
    {
      Some(x)=>println!("{:?}",x),
      None => println!("No existe el contribuyente")
    }
    let v2= hsh1.get("DUPA");
    println!("{:?}",v2);
    match v2 
    {
      Some(x)=>println!("{:?}",x),
      None => println!("No existe el contribuyente")
    }
    let v3=d1(2);
    println!("{:?}",v3);
    match v3 
    {
        Ok(x) => println!("{}",x+1),
        Err(_) => println!("Aprende a usarme")
    }
    let v4=d1(-1);
    println!("{:?}",v4);
    match v4
    {
        Ok(x) => println!("{}",x+1),
        Err(_) => println!("Aprende a usarme")
    }
    
    panic!("a correr!");
}