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endavid/equality-function.swift

Created February 26, 2020 18:02
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#swift equality functions for #medium
Raw
equality-function.swift
func ==(lhs: Bread, rhs: Bread) -> Bool {
return lhs.rating == rhs.rating
}
b1 == b2 // true
func ==(lhs: Cheese, rhs: Cheese) -> Bool {
return lhs.rating == rhs.rating
}
c1 == c2 // true
c1 == c4 // false
cheeses.contains(c1) // still an error! not Equatable
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