I’m confused about this. Shouldn’t you be able to get away with using +1 convention everywhere? What needs to have arbitrary lifetime-extension in an ARC-ified language?
Jordan > On Nov 2, 2016, at 12:23, Philippe Hausler <[email protected]> wrote: > > So there are issues we have in swift-corelibs that suffer(leak) because we > don't have ARPs on Linux. It would be super nice to have a retain until scope > end concept for swift core libs where autorelease would be an accessor in > unmanaged that would retain the object until the arp ends scope. > > Sent from my iPhone > > On Nov 2, 2016, at 10:17 AM, Jordan Rose <[email protected] > <mailto:[email protected]>> wrote: > >> >>> On Nov 2, 2016, at 09:42, Joe Groff via swift-users <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>>> >>>> On Nov 1, 2016, at 6:40 PM, Bernardo Breder via swift-users >>>> <[email protected] <mailto:[email protected]>> wrote: >>>> >>>> Hello, >>>> >>>> I want to create a mini http server project and execute at Ubuntu 15. The >>>> Xcode compile and access the function "autoreleasepool", but when i >>>> compile the same code at Ubuntu, this function not found >>>> >>>> For example, i can compile the code above at Xcode: >>>> >>>> while true { >>>> autoreleasepool { >>>> var test: Data = "HTTP/1.1 200 OK\r\nContent-Length: >>>> 1\r\n\r\na".data(using: .utf8)! >>>> } >>>> } >>>> >>>> But when i try to compile at Ubuntu: >>>> >>>> git@breder:~$ cat main.swift >>>> import Foundation >>>> >>>> while true { >>>> autoreleasepool { >>>> var test: Data = "HTTP/1.1 200 OK\r\nContent-Length: >>>> 1\r\n\r\na".data(using: .utf8)! >>>> } >>>> } >>>> >>>> git@breder:~$ swiftc main.swift >>>> main.swift:4:5: error: use of unresolved identifier 'autoreleasepool' >>>> autoreleasepool { >>>> ^~~~~~~~~~~~~~~ >>> >>> Autoreleasepools are an ObjC compatibility feature. They aren't necessary >>> in standalone Swift. >> >> But they are necessary in Swift programs on Apple platforms (that don’t use >> RunLoop, anyway). Philippe, what do you think? What’s the right way to write >> cross-platform code that doesn’t use RunLoop or dispatch_main for an >> implicit autorelease pool? >> >> (/me remembers +[NSAutoreleasePool drain] from the ObjC-GC days) >> >> Jordan
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