rust_demos 0.1.0

Aa demo crate
Documentation 
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fn main(){
	let num:u16=5;
	let fact_oper=|n|->u16{
		let mut f=1;
		for i in 1..=n{
			f=f*i;
		}
		f
	};

	println!("Factorial of {} is {}",num,fact_oper(num));
}