Forked from troystribling/ProtocolAssociatedType.swift
Created
July 22, 2017 08:08
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A swift protocol with associated type used as type parameter in generic function
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protocol Thing { | |
typealias argType | |
func doit(val:argType) -> argType | |
} | |
class IntThing : Thing { | |
func doit(val: Int) -> Int { | |
return val + 1 | |
} | |
} | |
func doThing<A:Thing>(thing:A, val:A.argType) -> A.argType { | |
return thing.doit(val) | |
} | |
doThing(IntThing(), 2) |
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