function_ref | A lightweight , non-owning reference
kandi X-RAY | function_ref Summary
kandi X-RAY | function_ref Summary
A lightweight non-owning reference to a callable.
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QUESTION
I wrote some code for testing optional properties in Swift, but the code crashed with error messages I couldn't quite understand. I used an online compiler which use Swift Release 5.01.
FYI, the error message is appended to the end of the post. It may be a little long and confusing to read. Thank you for your time.
Please help me by pointing out the problem in the code below:
...ANSWER
Answered 2020-Jun-20 at 08:52You seem to be using an online compiler which could be faulty or outdated. Approach their support team and inform them about this issue. Your code works perfectly on Xcode-playgrounds. You can get it here (It's Mac or iPad only).
QUESTION
New Xcode GM seed (and also previous beta 6) fails to build with multiple Segmentation faults 11 errors (using swift 4.2). The error does not disappear even if I remove, rename or comment out the class(es) in question.
The project builds without problems on Swift 4.1 with Xcode 9.
Example class where the error appears:
...ANSWER
Answered 2018-Sep-17 at 11:44Managed to solve this one myself. The problem was with single generic class which inherited from the same protocol twice (once directly and once via another protocol).
Strangely, swift 4.1 and Xcode 9 was Ok with that, and Segmentation fault 11 locations had nothing to do with where the actual error was.
QUESTION
I keep getting this error everytime I try to compile my assignment
...ANSWER
Answered 2017-Nov-03 at 17:14Modify your init method in BookStore class
QUESTION
In C++17, it is trivial to implement an overload(fs...)
function that, given any number of arguments fs...
satisfying FunctionObject
, returns a new function object that behaves like an overload of fs...
. Example:
ANSWER
Answered 2017-Mar-27 at 15:36In the general case, I don't think such a thing is possible even in C++17. Consider the most obnoxious case:
QUESTION
After upgrade Xcode from 8.2.1 to 8.3, the error was happened with the RMActionController library, every time create RMAction instance.
for example:
...ANSWER
Answered 2017-Apr-05 at 19:02From debugging my own Segmentation Fault 11 issues I see a common suggestion that sometimes works is removing/reinstalling your dependency - that has never helped me, but worth trying.
Having a quick look at RMActionController
project you might want to investigate creating your action at step #1 with the action handler closure (even just an empty closure) and see if that helps e.g.
QUESTION
This code sample breaks Swift compiler:
...ANSWER
Answered 2017-Feb-03 at 18:07Associated types are Swift-only feature, not visible to Objective-C, so there should be compiler error.
Filed a bug https://bugs.swift.org/browse/SR-3850
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