> On Apr 14, 2016, at 11:22 PM, Dmitri Gribenko <griboz...@gmail.com> wrote: > > On Thu, Apr 14, 2016 at 11:16 PM, Chris Lattner via swift-users > <swift-users@swift.org> wrote: >> >>> On Apr 14, 2016, at 10:45 AM, soyer via swift-users <swift-users@swift.org> >>> wrote: >>> >>> Hello Guys, Girls, >>> >>> Do you know why is the init?(length length: Int) NSMutableData's >>> initializer failable? >>> The memory allocation can fail, but I think Swift doesn't handle that >>> cases. (it is not a real issue in a modern OS) >>> The code on github calls a non failable initializer. >>> https://github.com/apple/swift-corelibs-foundation/blob/master/Foundation/NSData.swift#L904 >> >> Swift’s policy on memory allocation failure is that fixed-size object >> allocation is considered to be a runtime failure if it cannot be handled. >> OTOH, APIs that can take a variable and arbitrarily large amount to allocate >> should be failable. NSData falls into the later category. > > Does this principle apply to Array(repeating:count:)? > Array.append(contentsOf:)?
As you know well enough, “no”. :-) -Chris _______________________________________________ swift-users mailing list swift-users@swift.org https://lists.swift.org/mailman/listinfo/swift-users
