extern crate rand;

use std::io;
use std::cmp::Ordering;
use rand::Rng;

#[derive(Debug)]
struct person {
    name: String::from(""),
    age: i32,
}

impl person {
    fn in_day(&self) -> i32
    {
     self.age*100
    }
}

fn main() {
    let mut data = person {
        name : "hari",
        age : 12
    };
    println! ("{}",data.in_day());
    println!("{:?}",data);
}

fn do_work (s: &String) -> &str
{
    let dummy = s.as_bytes();
    for (i ,&item) in dummy.iter().enumerate(){
        if item==b' ' {
            return &s[0..i];
        }
    }
    &s[..]
}



/*
let er : (i32,f32,char)=(23,23.0,'');
printn;

match a.cmp(&b)
{
    Ordering::Less => println(),
    Ordering::Greater =>,

}
 let a : u32 ="42".len().expect("bot a number");;

 let mut a: u32 =String.new().trim().parse();

data types are as
i8;i16;164
u64,u32;
isize depends on the architecture
usize depends on the arch
rust floating types are defined as
f32 as 32 bit
f64 as 64 bit
let f :bool = false;
char is the most basic and is thus used as it is
let a = 'a';

*/


--------------------terminal output  ------------------------------------
error: expected type, found `""`
 --> src/main.rs:9:24
  |
9 |     name: String::from(""),
  |                        ^^

warning: unused import: `std::io`
 --> src/main.rs:3:5
  |
3 | use std::io;
  |     ^^^^^^^
  |
  = note: #[warn(unused_imports)] on by default

warning: unused import: `std::cmp::Ordering`
 --> src/main.rs:4:5
  |
4 | use std::cmp::Ordering;
  |     ^^^^^^^^^^^^^^^^^^

warning: unused import: `rand::Rng`
 --> src/main.rs:5:5
  |
5 | use rand::Rng;
  |     ^^^^^^^^^

error[E0609]: no field `age` on type `&person`
  --> src/main.rs:16:11
   |
16 |      self.age*100
   |           ^^^

error[E0560]: struct `person` has no field named `name`
  --> src/main.rs:22:9
   |
22 |         name : "hari",
   |         ^^^^ `person` does not have this field

error[E0560]: struct `person` has no field named `age`
  --> src/main.rs:23:9
   |
23 |         age : 12
   |         ^^^ `person` does not have this field

error: aborting due to 4 previous errors

Some errors occurred: E0560, E0609.
For more information about an error, try `rustc --explain E0560`.
error: Could not compile `playground`.