> On Mar 24, 2017, at 3:08 AM, Toni Suter via swift-users > <swift-users@swift.org> wrote: > > Hi, > > If I declare a variable and initialize it with an array literal whose > elements are integer literals and nil literals, > the compiler will infer the type Array<Optional<Int>> for that variable: > > let arr = [1, nil, 3] > print(type(of: arr)) // Array<Optional<Int>> > > However, that only works with nominal types such as Int and String. If I do > the same thing with an array of tuples, > I get a compile error: > > let arr = [(1, false), nil, (3, true)] // error: type of > expression is ambiguous without more context > print(type(of: arr)) > > Why can't the compiler infer the type Array<Optional<(Int, Bool)>> in this > example? Is there a reason for this or is it a bug?
Offhand it seems like we should be able to properly handle this. Can you open a bug report at bugs.swift.org <http://bugs.swift.org/>? Mark > > Thanks and best regards, > Toni > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users
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