[diaz]

Just a quick reply to link to this answer on reddit with the question:

Does 'unsafe' disable array bound checking? http://www.reddit.com/r/rust/comments/2aqqxa/does_unsafe_dis...

[pjmlp]

Oh, the open door to security exploits that C developers love so much.

When Hoare designed Algol(1960) he was explicitly requested not to allow it, due to security concerns[0].

[0] "The 1980 ACM Turing Award Lecture",