removed unsafe code in favor of explicit assert

src/raw.rs

@@ -10,7 +10,6 @@ use std::hash::{Hasher, BuildHasherDefault};
#[cfg(test)]
use std::mem;
use std::ops::{Index, IndexMut};
use std::ptr;

use any::{Any, UncheckedAnyExt};

@@ -23,10 +22,11 @@ impl Hasher for TypeIdHasher {
    #[inline]
    fn write(&mut self, bytes: &[u8]) {
        // This expects to receive one and exactly one 64-bit value
        debug_assert!(bytes.len() == 8);
        unsafe {
            ptr::copy_nonoverlapping(&bytes[0] as *const u8 as *const u64, &mut self.value, 1)
        }
        assert!(bytes.len() == 8);
        self.value = u64::from(bytes[0])       | u64::from(bytes[1]) << 8  |
                     u64::from(bytes[2]) << 16 | u64::from(bytes[3]) << 24 |
                     u64::from(bytes[4]) << 32 | u64::from(bytes[5]) << 40 |
                     u64::from(bytes[6]) << 48 | u64::from(bytes[7]) << 56;
    }

    #[inline]