Another Swift compiler error?

Question

The following line seems to always have a syntax error, any idea on how to fix it?

sourceModel = NSManagedObjectModel.mergedModelFromBundles(nil, forStoreMetadata:metaData)

Error is "Extra argument forStoreMetadata in call"

The if I try the following

sourceModel = NSManagedObjectModel.mergedModelFromBundles( forStoreMetadata:metaData)

I get a "Missing argument for parameter #1 in call"

What gives?

codester · Accepted Answer · 2014-10-04 13:30:51Z

bundles in mergedModelFromBundles definition is not optional.So you cannot pass nil instead you need to pass array containing bundles

//bundles is not optional class func mergedModelFromBundles(bundles: [AnyObject], forStoreMetadata metadata: [NSObject : AnyObject]) -> NSManagedObjectModel?

try instead

 sourceModel = NSManagedObjectModel.mergedModelFromBundles([NSBundle.mainBundle()], forStoreMetadata: metaData)

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