pau-riquelme

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Oct 10th, 2017
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Swift 0.45 KB | None | 0 0
  1. Se crean con la siguiente estructura:
  2.  
  3. class X< T > {}
  4. class X< T: U > {}
  5.  
  6. //Creemos una estructura para poner un ejemplo de tipos.
  7.  
  8. struct PackageList {
  9.     var packages: [Package]
  10.    
  11.     mutating func add(package: Package) {
  12.         packages.append(item)
  13.     }
  14.    
  15.     mutating func remove() -> Package {
  16.         return packages.removeLast()
  17.     }
  18.    
  19.     func isCapacityLow() -> Bool {
  20.         return packages.count < 3
  21.     }
  22. }
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