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Alternative to Inheritance via self typed annotation
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| trait Lambda { | |
| val l = "Lambda" | |
| } | |
| trait Calculus { | |
| this: Lambda => | |
| val c = "Calculus" | |
| val lc = l + c | |
| } | |
| trait Turing { | |
| this: Calculus => | |
| val t = "Turing" | |
| val lct = l + c + t // compilation error(cannot access l) | |
| } | |
| // usage | |
| val universe = new Turing with Calculus with Lambda | |
| println(universe.c) | |
| println(universe.lc) | |
| println(universe.t) |
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