'Missing argument for parameter 'error' in call' Swift compiler bug?

Question

Created Jul ’15

Replies 2

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When using NSKeyedUnarchiver API with Swift, see image 1, the error occurs when compiling

It says missing argument for parameter 'error' in call, and the method definition doesn't has error parameter

When downcast it like image 2,

It compiles and runs fine.

Is it a swift compiler bug?

By the way, where should me report this bug?

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Answer 1

Jul ’15

Images here

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Answer 2

DTS Engineer OP

Apple

Jul ’15

Which version of Xcode are you using?

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