//! Example of creating instances of `U256` from strings and numbers.

use std::str::FromStr;

use alloy::primitives::{

utils::{parse_units, ParseUnits},

U256,

};

use eyre::Result;

fn main() -> Result<()> {

// From strings

let a = U256::from_str("42")?;

assert_eq!(a.to_string(), "42");

let amount = "42";

let units = 4;

let b: ParseUnits = parse_units(amount, units)?;

assert_eq!(b.to_string(), "420000");

// From numbers

let c = U256::from(42_u8);

assert_eq!(c.to_string(), "42");

let d = U256::from(42_u16);

assert_eq!(d.to_string(), "42");

let e = U256::from(42_u32);

assert_eq!(e.to_string(), "42");

let f = U256::from(42_u64);

assert_eq!(f.to_string(), "42");

let g = U256::from(42_u128);

assert_eq!(g.to_string(), "42");

let h = U256::from(0x2a);

assert_eq!(h.to_string(), "42");

let i = U256::from(42);

assert_eq!(i.to_string(), "42");

Ok(())

}