overview for someone13
We might have to agree to disagree, but it generally my opinion that a library can panic moncler uk outlet when there no way to handle an error. An error is just a cheap moncler jackets mens return value like any other if moncler sale online you going to return an error and the caller best moncler jackets will exit/panic every time, then panic is the right answer. panic). If someone needs to handle the error, then exposing a function like BytesWithError, or a similarly long name, makes it more obvious that this isn the default case.So, to answer your statements in two parts:I think the point is this: you always had to deal with this, we just remembering that now. It not that the guarantee isn moncler outlet valid moncler womens jackets anymore. It that it was never valid in the first place.Right. The issue is, people (including myself), assumed uk moncler outlet this guarantee was valid. moncler sale Now that it has been shown not to be, I think the right answer cheap moncler jackets womens should be “how do we make it valid”, instead of “well, it was never valid, so let leave things as moncler online store is”.In no other RAII language that I know of is there a guarantee of no leaks, because any benefits are far outweighed by the negatives.Also absolutely correct : ) I going to be more explicit discount moncler jackets here: I think the guarantee a lot of people are looking for, myself included, is that an object destructor will run if code after the moncler outlet sale end of scope runs. For example:let guard = MyThing::doit();// other stuffprintln(“Guard should have run”);Note cheap moncler sale that this is a fairly limited guarantee. moncler sale outlet For example, the following are all currently valid, and should remain so:Explicitly Storing Something In a let guard = MyThing::doit();// The item cheap moncler jackets got moved, and thus should not have been dropped this is a “leak”, but it also by design.First off: thanks to /u/nikomatsakis for the comprehensive writeup.I do want to point out something that was overlooked in his post, uk moncler sale though: usage of destructors that have side moncler usa effects. Much of his post focused moncler outlet prices around “losing” the RAII pattern and moncler outlet store whether that would affect memory safety. I https://www.moncleronlineoutlet.com glad that the answer is “no” : ) However, another common usage of the RAII pattern is to clean up resources as a side cheap moncler coats mens effect moncler outlet online of things falling out of scope for example, deleting a temporary file, shutting down a network connection, and so on. This doesn result in memory unsafety, but it does mean that a particular guarantee (“if the scope of this variable is exited, and code afterwards continues to run, then the destructor that cleans up state will have already run”) isn valid any more and I moncler store think this is a much more important moncler outlet woodbury loss than some people realize.
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