fix a typo (#4172)

the variable name should be `someIdentifier` instead of `willSet`.
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Xing Zheng 2022-01-04 00:16:36 +08:00 committed by GitHub
parent ce170de16d
commit d24f135208
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@ -654,7 +654,7 @@ class Rect: Shape {
// but still want to run code before and after getting or setting
// a property, you can use `willSet` and `didSet`
var identifier: String = "defaultID" {
// the `willSet` arg will be the variable name for the new value
// the `someIdentifier` arg will be the variable name for the new value
willSet(someIdentifier) {
print(someIdentifier)
}