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use generic_array::{ArrayLength, GenericArray};
use std::fmt;
use std::marker::Sized;
#[derive(Debug, Copy, Clone)]
pub struct TryFromSizedBytesError(());
impl fmt::Display for TryFromSizedBytesError {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(self.__description(), f)
}
}
impl TryFromSizedBytesError {
pub fn new() -> TryFromSizedBytesError {
TryFromSizedBytesError(())
}
#[inline]
#[doc(hidden)]
pub fn __description(&self) -> &str {
"could not convert from generic byte slice"
}
}
impl Default for TryFromSizedBytesError {
fn default() -> TryFromSizedBytesError {
TryFromSizedBytesError::new()
}
}
pub trait SizedBytes: Sized {
type Len: ArrayLength<u8> + 'static;
fn to_arr(&self) -> GenericArray<u8, Self::Len>;
fn from_arr(arr: &GenericArray<u8, Self::Len>) -> Result<Self, TryFromSizedBytesError>;
}
impl<N: ArrayLength<u8> + 'static> SizedBytes for GenericArray<u8, N> {
type Len = N;
fn to_arr(&self) -> GenericArray<u8, Self::Len> {
self.clone()
}
fn from_arr(arr: &GenericArray<u8, Self::Len>) -> Result<Self, TryFromSizedBytesError> {
Ok(arr.clone())
}
}