Collection
extension Collection where Element: ImportableFormatter- 
                  
                  Creates a gdImagePtrfrom given image data.Throws GDErrorif import failed.DeclarationSwift fileprivate func imagePtr(of data: Data) throws -> gdImagePtrParametersdataThe image data of which an image should be instantiated. Return ValueThe gdImagePtrof the instantiated image.
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           Collection Extension Reference
      Collection Extension Reference