pub mod cached_chain;
mod impl_const_id;
use std::io::{Read, Result, Write};
use std::mem::{size_of, MaybeUninit};
use std::slice::{from_raw_parts, from_raw_parts_mut};
pub fn hexdump(bytes: &[u8]) -> String {
let mut retval: String = String::new();
for (i, byte) in bytes.iter().enumerate() {
if (i % 16) == 0 {
retval.push('\n');
}
retval.push_str(&format!("{byte:02x} "));
}
retval.push('\n');
retval
}
pub trait TypeLoad: Read {
fn load<T: Sized + Copy>(&mut self) -> Result<T> {
#[allow(clippy::uninit_assumed_init)]
let mut t = unsafe { MaybeUninit::uninit().assume_init() };
let p = &mut t as *mut T as *mut u8;
let s = unsafe { from_raw_parts_mut(p, size_of::<T>()) };
self.read_exact(s)?;
Ok(t)
}
}
pub trait TypeSave: Write {
fn save<T: Sized + Copy>(&mut self, value: &T) -> Result<()> {
let p = value as *const T as *const u8;
let s = unsafe { from_raw_parts(p, size_of::<T>()) };
self.write_all(s)
}
}
impl<T: Read> TypeLoad for T {}
impl<T: Write> TypeSave for T {}