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#![no_std]
extern crate generic_array;
use generic_array::{GenericArray, ArrayLength};
use generic_array::typenum::Unsigned;
pub trait Digest {
type R: ArrayLength<u8>;
type B: ArrayLength<u8>;
fn new() -> Self;
fn input(&mut self, input: &[u8]);
fn result(self) -> GenericArray<u8, Self::R>;
fn block_bytes(&self) -> usize { Self::B::to_usize() }
fn block_bits(&self) -> usize { 8 * Self::B::to_usize() }
fn output_bytes(&self) -> usize { Self::R::to_usize() }
fn output_bits(&self) -> usize { 8 * Self::R::to_usize() }
}