Björn Tantau@swg-empire.de to Programmer Humor@programming.dev · 15 hours agoPretty straight forwardswg-empire.deimagemessage-square45fedilinkarrow-up1611arrow-down110file-text
arrow-up1601arrow-down1imagePretty straight forwardswg-empire.deBjörn Tantau@swg-empire.de to Programmer Humor@programming.dev · 15 hours agomessage-square45fedilinkfile-text
minus-squareTraister101@lemmy.todaylinkfedilinkarrow-up1·7 hours agoAh yes now I can… dereference a raw pointer (yes that’s essentially the only thing unsafe rust actually enables you to do, it doesn’t disable the borrow checker or anything else, it just allows you to play with pointers)
minus-squarecalcopiritus@lemmy.worldlinkfedilinkarrow-up1·6 hours agounsafe fn<'a, T>(p: &'a T) -> &'static mut T { p as *cons T as *mut T as &'static mut T } It is a bit more than just dereferencing raw pointers.
step 1:
unsafe fn()…Ah yes now I can… dereference a raw pointer (yes that’s essentially the only thing unsafe rust actually enables you to do, it doesn’t disable the borrow checker or anything else, it just allows you to play with pointers)
unsafe fn<'a, T>(p: &'a T) -> &'static mut T { p as *cons T as *mut T as &'static mut T }It is a bit more than just dereferencing raw pointers.