fn main(){
println!("hello world");
}
Function are
fn
println has a
! after it, as it's a macro and not a function.
And a semicolon
; after each statement.
No need to return 0 at end of
main()
let x=1; x=2; //<-- can't let x mut=1; //<-- put a mut after variable name to reassign it later. x=2; //
Variables are declared with
let