zoodex/src/error.rs

use std :: * ;
use std :: any :: * ;



# [ derive (Debug) ] pub enum ZoodexError {
	CollectionFileReadError ,
}

pub type Result <Success> = result :: Result < Success , ZoodexError > ;

impl From < Box < dyn Any + Send > > for ZoodexError {
	fn from ( error : Box < dyn Any + Send > ) -> Self {
		* error . downcast () . unwrap ()
	}
}

macro_rules ! async_result_context { (
	$ future : expr
	$ ( , ok => $ on_success : expr ) ?
	$ ( , err => $ on_failure : expr ) ? $ (,) ?
) => {
	# [ allow (unreachable_patterns) ] match $ future . await {
		$ ( Ok (value) => $ on_success (value) , ) ?
		Ok (_) => {} ,
		$ ( Err (error) => $ on_failure (error) , ) ?
		Err (_) => {} ,
	}
} }



pub (crate) use async_result_context ;