Identity operators in Swift
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Tao
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Published on 2014-06-06T03:01:45Z
Indexed on
2014/06/06
3:24 UTC
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swift-language
If a is identical to c, b is identical to c, why a is not identical to b?
var a = [1, 2, 3]
var b = a
var c = a[0...2]
a === c // true
b === c // true
a === b // false
If a, b, c are constants:
let a = [1, 2, 3]
let b = a
let c = a[0...2]
a === c // true
b === c // true
a === b // true
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